76805725 has 6 divisors (see below), whose sum is σ = 95239130. Its totient is φ = 61444560.

The previous prime is 76805723. The next prime is 76805759. The reversal of 76805725 is 52750867.

It can be written as a sum of positive squares in 3 ways, for example, as 383161 + 76422564 = 619^2 + 8742^2 .

It is not a de Polignac number, because 76805725 - 2¹ = 76805723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76805723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1536090 + ... + 1536139.

Almost surely, 2^76805725 is an apocalyptic number.

It is an amenable number.

76805725 is a deficient number, since it is larger than the sum of its proper divisors (18433405).

76805725 is a wasteful number, since it uses less digits than its factorization.

76805725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072239 (or 3072234 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 76805725 is about 8763.8875506250. The cubic root of 76805725 is about 425.0739894250.

The spelling of 76805725 in words is "seventy-six million, eight hundred five thousand, seven hundred twenty-five".