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74741387 = 710677341
BaseRepresentation
bin1000111010001…
…11011010001011
312012122020220112
410131013122023
5123113211022
611225544535
71565201630
oct435073213
9165566815
1074741387
113920a346
122104514b
131263b996
149cd8187
1568658e2
hex474768b

74741387 has 4 divisors (see below), whose sum is σ = 85418736. Its totient is φ = 64064040.

The previous prime is 74741357. The next prime is 74741413. The reversal of 74741387 is 78314747.

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

It is a cyclic number.

It is not a de Polignac number, because 74741387 - 28 = 74741131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74741357) 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, 5338664 + ... + 5338677.

It is an arithmetic number, because the mean of its divisors is an integer number (21354684).

Almost surely, 274741387 is an apocalyptic number.

74741387 is a deficient number, since it is larger than the sum of its proper divisors (10677349).

74741387 is a wasteful number, since it uses less digits than its factorization.

74741387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677348.

The product of its digits is 131712, while the sum is 41.

The square root of 74741387 is about 8645.3101158952. The cubic root of 74741387 is about 421.2310574476.

The spelling of 74741387 in words is "seventy-four million, seven hundred forty-one thousand, three hundred eighty-seven".

Divisors: 1 7 10677341 74741387