76688552 has 8 divisors (see below), whose sum is σ = 143791050. Its totient is φ = 38344272.

The previous prime is 76688533. The next prime is 76688587. The reversal of 76688552 is 25588667.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 27604516 = 7006^2 + 5254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×76688552² = 11762268015713408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76688497 and 76688506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4793027 + ... + 4793042.

Almost surely, 2^76688552 is an apocalyptic number.

It is an amenable number.

76688552 is a deficient number, since it is larger than the sum of its proper divisors (67102498).

76688552 is a wasteful number, since it uses less digits than its factorization.

76688552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586075 (or 9586071 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 76688552 is about 8757.2000091353. The cubic root of 76688552 is about 424.8577184623.

The spelling of 76688552 in words is "seventy-six million, six hundred eighty-eight thousand, five hundred fifty-two".