74998710820980 has 72 divisors (see below), whose sum is σ = 228472467684552. Its totient is φ = 19913820773376.

The previous prime is 74998710820973. The next prime is 74998710821077. The reversal of 74998710820980 is 8902801789947.

74998710820980 is a `hidden beast` number, since 7 + 499 + 8 + 7 + 108 + 20 + 9 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 691069665636 + 74307641155344 = 831306^2 + 8620188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74998710820899 and 74998710820908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894077169 + ... + 894161048.

It is an arithmetic number, because the mean of its divisors is an integer number (3173228717841).

Almost surely, 2^{74998710820980} is an apocalyptic number.

It is an amenable number.

74998710820980 is an abundant number, since it is smaller than the sum of its proper divisors (153473756863572).

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

74998710820980 is a wasteful number, since it uses less digits than its factorization.

74998710820980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788238465 (or 1788238460 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 72.

The spelling of 74998710820980 in words is "seventy-four trillion, nine hundred ninety-eight billion, seven hundred ten million, eight hundred twenty thousand, nine hundred eighty".