76556072 has 8 divisors (see below), whose sum is σ = 143542650. Its totient is φ = 38278032.

The previous prime is 76556023. The next prime is 76556087. The reversal of 76556072 is 27065567.

It can be written as a sum of positive squares in only one way, i.e., 65836996 + 10719076 = 8114^2 + 3274^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4784747 + ... + 4784762.

Almost surely, 2^76556072 is an apocalyptic number.

It is an amenable number.

76556072 is a deficient number, since it is larger than the sum of its proper divisors (66986578).

76556072 is a wasteful number, since it uses less digits than its factorization.

76556072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569515 (or 9569511 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 76556072 is about 8749.6326780043. The cubic root of 76556072 is about 424.6129292414.

The spelling of 76556072 in words is "seventy-six million, five hundred fifty-six thousand, seventy-two".