74559040774 has 32 divisors (see below), whose sum is σ = 116764441920. Its totient is φ = 35662728192.

The previous prime is 74559040771. The next prime is 74559040859. The reversal of 74559040774 is 47704095547.

It is a happy number.

It is a super-2 number, since 2×74559040774² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74559040771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019422 + ... + 3044014.

It is an arithmetic number, because the mean of its divisors is an integer number (3648888810).

Almost surely, 2^74559040774 is an apocalyptic number.

74559040774 is a deficient number, since it is larger than the sum of its proper divisors (42205401146).

74559040774 is a wasteful number, since it uses less digits than its factorization.

74559040774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 74559040774 in words is "seventy-four billion, five hundred fifty-nine million, forty thousand, seven hundred seventy-four".