72770576132 has 12 divisors (see below), whose sum is σ = 129142149696. Its totient is φ = 35872819080.

The previous prime is 72770576129. The next prime is 72770576143. The reversal of 72770576132 is 23167507727.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128116928 + ... + 128117495.

It is an arithmetic number, because the mean of its divisors is an integer number (10761845808).

Almost surely, 2^72770576132 is an apocalyptic number.

It is an amenable number.

72770576132 is a deficient number, since it is larger than the sum of its proper divisors (56371573564).

72770576132 is a wasteful number, since it uses less digits than its factorization.

72770576132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256234498 (or 256234496 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 72770576132 in words is "seventy-two billion, seven hundred seventy million, five hundred seventy-six thousand, one hundred thirty-two".