74136985703 has 32 divisors (see below), whose sum is σ = 88355266560. Its totient is φ = 61447426560.

The previous prime is 74136985693. The next prime is 74136985709. The reversal of 74136985703 is 30758963147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74136985703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74136985709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735626 + ... + 830312.

It is an arithmetic number, because the mean of its divisors is an integer number (2761102080).

Almost surely, 2^74136985703 is an apocalyptic number.

74136985703 is a deficient number, since it is larger than the sum of its proper divisors (14218280857).

74136985703 is a wasteful number, since it uses less digits than its factorization.

74136985703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94847.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 74136985703 in words is "seventy-four billion, one hundred thirty-six million, nine hundred eighty-five thousand, seven hundred three".