72973588313662 has 32 divisors (see below), whose sum is σ = 110311969438944. Its totient is φ = 36204290841600.

The previous prime is 72973588313641. The next prime is 72973588313737. The reversal of 72973588313662 is 26631388537927.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72973588313591 and 72973588313600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153360988 + ... + 153836080.

It is an arithmetic number, because the mean of its divisors is an integer number (3447249044967).

Almost surely, 2^{72973588313662} is an apocalyptic number.

72973588313662 is a deficient number, since it is larger than the sum of its proper divisors (37338381125282).

72973588313662 is a wasteful number, since it uses less digits than its factorization.

72973588313662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476524.

The product of its digits is 548674560, while the sum is 70.

The spelling of 72973588313662 in words is "seventy-two trillion, nine hundred seventy-three billion, five hundred eighty-eight million, three hundred thirteen thousand, six hundred sixty-two".