76566733072 has 40 divisors (see below), whose sum is σ = 149148043200. Its totient is φ = 38077475712.

The previous prime is 76566733051. The next prime is 76566733081. The reversal of 76566733072 is 27033766567.

It is a happy number.

It is a super-2 number, since 2×76566733072² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217283 + ... + 2251549.

It is an arithmetic number, because the mean of its divisors is an integer number (3728701080).

Almost surely, 2^76566733072 is an apocalyptic number.

It is an amenable number.

76566733072 is a deficient number, since it is larger than the sum of its proper divisors (72581310128).

76566733072 is a wasteful number, since it uses less digits than its factorization.

76566733072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35023 (or 35017 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 52.

The spelling of 76566733072 in words is "seventy-six billion, five hundred sixty-six million, seven hundred thirty-three thousand, seventy-two".