72416772066405 has 32 divisors (see below), whose sum is σ = 130204871790336. Its totient is φ = 34101275940864.

The previous prime is 72416772066347. The next prime is 72416772066473. The reversal of 72416772066405 is 50466027761427.

It is not a de Polignac number, because 72416772066405 - 2⁷ = 72416772066277 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, 8073214252 + ... + 8073223221.

It is an arithmetic number, because the mean of its divisors is an integer number (4068902243448).

Almost surely, 2^{72416772066405} is an apocalyptic number.

It is an amenable number.

72416772066405 is a deficient number, since it is larger than the sum of its proper divisors (57788099723931).

72416772066405 is a wasteful number, since it uses less digits than its factorization.

72416772066405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146437517.

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 72416772066405 in words is "seventy-two trillion, four hundred sixteen billion, seven hundred seventy-two million, sixty-six thousand, four hundred five".