76772525 has 6 divisors (see below), whose sum is σ = 95197962. Its totient is φ = 61418000.

The previous prime is 76772519. The next prime is 76772533. The reversal of 76772525 is 52527767.

It can be written as a sum of positive squares in 3 ways, for example, as 24730729 + 52041796 = 4973^2 + 7214^2 .

It is not a de Polignac number, because 76772525 - 2²² = 72578221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1535426 + ... + 1535475.

It is an arithmetic number, because the mean of its divisors is an integer number (15866327).

Almost surely, 2^76772525 is an apocalyptic number.

It is an amenable number.

76772525 is a deficient number, since it is larger than the sum of its proper divisors (18425437).

76772525 is a wasteful number, since it uses less digits than its factorization.

76772525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070911 (or 3070906 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 76772525 is about 8761.9932093103. The cubic root of 76772525 is about 425.0127331825.

The spelling of 76772525 in words is "seventy-six million, seven hundred seventy-two thousand, five hundred twenty-five".