72512254271366 has 64 divisors (see below), whose sum is σ = 134928393879552. Its totient is φ = 28459124330112.

The previous prime is 72512254271309. The next prime is 72512254271381. The reversal of 72512254271366 is 66317245221527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755941640 + ... + 756037556.

It is an arithmetic number, because the mean of its divisors is an integer number (2108256154368).

Almost surely, 2^{72512254271366} is an apocalyptic number.

72512254271366 is a deficient number, since it is larger than the sum of its proper divisors (62416139608186).

72512254271366 is a wasteful number, since it uses less digits than its factorization.

72512254271366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128773.

The product of its digits is 8467200, while the sum is 53.

The spelling of 72512254271366 in words is "seventy-two trillion, five hundred twelve billion, two hundred fifty-four million, two hundred seventy-one thousand, three hundred sixty-six".