74623591042 has 64 divisors (see below), whose sum is σ = 150417356544. Its totient is φ = 26815069440.

The previous prime is 74623591019. The next prime is 74623591069. The reversal of 74623591042 is 24019532647.

It is a self number, because there is not a number n which added to its sum of digits gives 74623591042.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2461408 + ... + 2491540.

It is an arithmetic number, because the mean of its divisors is an integer number (2350271196).

Almost surely, 2^74623591042 is an apocalyptic number.

74623591042 is an abundant number, since it is smaller than the sum of its proper divisors (75793765502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74623591042 is a wasteful number, since it uses less digits than its factorization.

74623591042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31403.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 74623591042 in words is "seventy-four billion, six hundred twenty-three million, five hundred ninety-one thousand, forty-two".