74365568534 has 16 divisors (see below), whose sum is σ = 111697095120. Its totient is φ = 37133238240.

The previous prime is 74365568527. The next prime is 74365568551. The reversal of 74365568534 is 43586556347.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74365568534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293832 + ... + 5307860.

It is an arithmetic number, because the mean of its divisors is an integer number (6981068445).

Almost surely, 2^74365568534 is an apocalyptic number.

74365568534 is a deficient number, since it is larger than the sum of its proper divisors (37331526586).

74365568534 is a wasteful number, since it uses less digits than its factorization.

74365568534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17375.

The product of its digits is 36288000, while the sum is 56.

The spelling of 74365568534 in words is "seventy-four billion, three hundred sixty-five million, five hundred sixty-eight thousand, five hundred thirty-four".