Search a number
-
+
7970727 = 32656909
BaseRepresentation
bin11110011001111110100111
3112222221210010
4132121332213
54020030402
6442501303
7124515162
oct36317647
915887703
107970727
114554586
122804833
13186100b
1410b6ad9
15a76a6c
hex799fa7

7970727 has 4 divisors (see below), whose sum is σ = 10627640. Its totient is φ = 5313816.

The previous prime is 7970701. The next prime is 7970731. The reversal of 7970727 is 7270797.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7970727 - 28 = 7970471 is a prime.

It is a Duffinian number.

7970727 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7970227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328452 + ... + 1328457.

It is an arithmetic number, because the mean of its divisors is an integer number (2656910).

Almost surely, 27970727 is an apocalyptic number.

7970727 is a deficient number, since it is larger than the sum of its proper divisors (2656913).

7970727 is a wasteful number, since it uses less digits than its factorization.

7970727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656912.

The product of its (nonzero) digits is 43218, while the sum is 39.

The square root of 7970727 is about 2823.2475980686. The cubic root of 7970727 is about 199.7557601893.

It can be divided in two parts, 79707 and 27, that multiplied together give a square (2152089 = 14672).

The spelling of 7970727 in words is "seven million, nine hundred seventy thousand, seven hundred twenty-seven".

Divisors: 1 3 2656909 7970727