76881725 has 12 divisors (see below), whose sum is σ = 95583540. Its totient is φ = 61344000.

The previous prime is 76881691. The next prime is 76881731. The reversal of 76881725 is 52718867.

It can be written as a sum of positive squares in 6 ways, for example, as 16337764 + 60543961 = 4042^2 + 7781^2 .

It is not a de Polignac number, because 76881725 - 2²⁴ = 60104509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6191 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (7965295).

Almost surely, 2^76881725 is an apocalyptic number.

It is an amenable number.

76881725 is a deficient number, since it is larger than the sum of its proper divisors (18701815).

76881725 is a wasteful number, since it uses less digits than its factorization.

76881725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080 (or 8075 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 76881725 is about 8768.2224538386. Note that the first 3 decimals coincide. The cubic root of 76881725 is about 425.2141481327.

The spelling of 76881725 in words is "seventy-six million, eight hundred eighty-one thousand, seven hundred twenty-five".