74243231880 has 64 divisors (see below), whose sum is σ = 234452318400. Its totient is φ = 18756184320.

The previous prime is 74243231819. The next prime is 74243231897. The reversal of 74243231880 is 8813234247.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16279131 + ... + 16283690.

It is an arithmetic number, because the mean of its divisors is an integer number (3663317475).

Almost surely, 2^74243231880 is an apocalyptic number.

It is an amenable number.

74243231880 is an abundant number, since it is smaller than the sum of its proper divisors (160209086520).

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

74243231880 is a wasteful number, since it uses less digits than its factorization.

74243231880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32562854 (or 32562850 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 74243231880 in words is "seventy-four billion, two hundred forty-three million, two hundred thirty-one thousand, eight hundred eighty".