74574573934 has 16 divisors (see below), whose sum is σ = 128377036800. Its totient is φ = 31826804184.

The previous prime is 74574573923. The next prime is 74574573937. The reversal of 74574573934 is 43937547547.

It is a super-2 number, since 2×74574573934² (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 (74574573937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11140494 + ... + 11147185.

It is an arithmetic number, because the mean of its divisors is an integer number (8023564800).

Almost surely, 2^74574573934 is an apocalyptic number.

74574573934 is a deficient number, since it is larger than the sum of its proper divisors (53802462866).

74574573934 is a wasteful number, since it uses less digits than its factorization.

74574573934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22287927.

The product of its digits is 44452800, while the sum is 58.

The spelling of 74574573934 in words is "seventy-four billion, five hundred seventy-four million, five hundred seventy-three thousand, nine hundred thirty-four".