74746755 has 24 divisors (see below), whose sum is σ = 129832560. Its totient is φ = 39781440.

The previous prime is 74746753. The next prime is 74746783. The reversal of 74746755 is 55764747.

It is not a de Polignac number, because 74746755 - 2¹ = 74746753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74746755.

It is not an unprimeable number, because it can be changed into a prime (74746753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24241 + ... + 27149.

It is an arithmetic number, because the mean of its divisors is an integer number (5409690).

Almost surely, 2^74746755 is an apocalyptic number.

74746755 is a deficient number, since it is larger than the sum of its proper divisors (55085805).

74746755 is a wasteful number, since it uses less digits than its factorization.

74746755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3488 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 74746755 is about 8645.6205676631. The cubic root of 74746755 is about 421.2411416159.

The spelling of 74746755 in words is "seventy-four million, seven hundred forty-six thousand, seven hundred fifty-five".