75864980 has 24 divisors (see below), whose sum is σ = 159933312. Its totient is φ = 30228512.

The previous prime is 75864979. The next prime is 75865007. The reversal of 75864980 is 8946857.

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, 1952 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (6663888).

Almost surely, 2^75864980 is an apocalyptic number.

It is an amenable number.

75864980 is an abundant number, since it is smaller than the sum of its proper divisors (84068332).

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

75864980 is a wasteful number, since it uses less digits than its factorization.

75864980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14695 (or 14693 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 75864980 is about 8710.0505165010. The cubic root of 75864980 is about 423.3313672314.

The spelling of 75864980 in words is "seventy-five million, eight hundred sixty-four thousand, nine hundred eighty".