74195903840 has 48 divisors (see below), whose sum is σ = 175561525440. Its totient is φ = 29632020480.

The previous prime is 74195903813. The next prime is 74195903857. The reversal of 74195903840 is 4830959147.

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, 259160 + ... + 464279.

It is an arithmetic number, because the mean of its divisors is an integer number (3657531780).

Almost surely, 2^74195903840 is an apocalyptic number.

It is an amenable number.

74195903840 is an abundant number, since it is smaller than the sum of its proper divisors (101365621600).

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

74195903840 is a wasteful number, since it uses less digits than its factorization.

74195903840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724095 (or 724087 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 74195903840 in words is "seventy-four billion, one hundred ninety-five million, nine hundred three thousand, eight hundred forty".