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7042734 = 233413181
BaseRepresentation
bin11010110111011010101110
3111020210211000
4122313122232
53300331414
6410541130
7113601516
oct32673256
914223730
107042734
113a80346
1224377a6
1315c77ca
14d14846
15941b09
hex6b76ae

7042734 has 32 divisors (see below), whose sum is σ = 16037280. Its totient is φ = 2289600.

The previous prime is 7042727. The next prime is 7042747. The reversal of 7042734 is 4372407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 7042698 and 7042707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (501165).

Almost surely, 27042734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7042734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8018640).

7042734 is an abundant number, since it is smaller than the sum of its proper divisors (8994546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7042734 is a wasteful number, since it uses less digits than its factorization.

7042734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 7042734 is about 2653.8149897836. The cubic root of 7042734 is about 191.6816011887.

It can be divided in two parts, 7042 and 734, that added together give a 5-th power (7776 = 65).

The spelling of 7042734 in words is "seven million, forty-two thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 2214 3181 6362 9543 19086 28629 57258 85887 130421 171774 260842 391263 782526 1173789 2347578 3521367 7042734