72706713662 has 16 divisors (see below), whose sum is σ = 118979593200. Its totient is φ = 33047125440.

The previous prime is 72706713647. The next prime is 72706713697. The reversal of 72706713662 is 26631760727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624164 + ... + 731432.

It is an arithmetic number, because the mean of its divisors is an integer number (7436224575).

Almost surely, 2^72706713662 is an apocalyptic number.

72706713662 is a deficient number, since it is larger than the sum of its proper divisors (46272879538).

72706713662 is a wasteful number, since it uses less digits than its factorization.

72706713662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138091.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 72706713662 in words is "seventy-two billion, seven hundred six million, seven hundred thirteen thousand, six hundred sixty-two".