75680992 has 48 divisors (see below), whose sum is σ = 153083952. Its totient is φ = 36817920.

The previous prime is 75680953. The next prime is 75681007. The reversal of 75680992 is 29908657.

It is a super-2 number, since 2×75680992² = 11455225100208128, which contains 22 as substring.

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, 267283 + ... + 267565.

It is an arithmetic number, because the mean of its divisors is an integer number (3189249).

Almost surely, 2^75680992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75680992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76541976).

75680992 is an abundant number, since it is smaller than the sum of its proper divisors (77402960).

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

75680992 is a wasteful number, since it uses less digits than its factorization.

75680992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 75680992 is about 8699.4822834465. The cubic root of 75680992 is about 422.9888686625.

The spelling of 75680992 in words is "seventy-five million, six hundred eighty thousand, nine hundred ninety-two".