74743985934 has 24 divisors (see below), whose sum is σ = 161950435920. Its totient is φ = 24913872288.

The previous prime is 74743985917. The next prime is 74743985941. The reversal of 74743985934 is 43958934747.

74743985934 is a `hidden beast` number, since 7 + 4 + 7 + 4 + 39 + 8 + 593 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904647 + ... + 983805.

It is an arithmetic number, because the mean of its divisors is an integer number (6747934830).

Almost surely, 2^74743985934 is an apocalyptic number.

74743985934 is an abundant number, since it is smaller than the sum of its proper divisors (87206449986).

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

74743985934 is a wasteful number, since it uses less digits than its factorization.

74743985934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131624 (or 131621 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 74743985934 in words is "seventy-four billion, seven hundred forty-three million, nine hundred eighty-five thousand, nine hundred thirty-four".