73972457805 has 32 divisors (see below), whose sum is σ = 119252367360. Its totient is φ = 39154129920.

The previous prime is 73972457761. The next prime is 73972457851. The reversal of 73972457805 is 50875427937.

It is not a de Polignac number, because 73972457805 - 2⁷ = 73972457677 is a prime.

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, 1210731 + ... + 1270359.

It is an arithmetic number, because the mean of its divisors is an integer number (3726636480).

Almost surely, 2^73972457805 is an apocalyptic number.

It is an amenable number.

73972457805 is a deficient number, since it is larger than the sum of its proper divisors (45279909555).

73972457805 is a wasteful number, since it uses less digits than its factorization.

73972457805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60261.

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 73972457805 in words is "seventy-three billion, nine hundred seventy-two million, four hundred fifty-seven thousand, eight hundred five".