74531773346680 has 64 divisors (see below), whose sum is σ = 180609201208800. Its totient is φ = 27517445921280.

The previous prime is 74531773346671. The next prime is 74531773346699. The reversal of 74531773346680 is 8664337713547.

It is a happy number.

It is a congruent 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, 2099826 + ... + 12388414.

Almost surely, 2^{74531773346680} is an apocalyptic number.

It is an amenable number.

74531773346680 is an abundant number, since it is smaller than the sum of its proper divisors (106077427862120).

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

74531773346680 is a wasteful number, since it uses less digits than its factorization.

74531773346680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302544 (or 10302540 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 64.

The spelling of 74531773346680 in words is "seventy-four trillion, five hundred thirty-one billion, seven hundred seventy-three million, three hundred forty-six thousand, six hundred eighty".