72464304415 has 4 divisors (see below), whose sum is σ = 86957165304. Its totient is φ = 57971443528.

The previous prime is 72464304379. The next prime is 72464304443. The reversal of 72464304415 is 51440346427.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72464304415 - 2⁹ = 72464303903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7246430437 + ... + 7246430446.

It is an arithmetic number, because the mean of its divisors is an integer number (21739291326).

Almost surely, 2^72464304415 is an apocalyptic number.

72464304415 is a deficient number, since it is larger than the sum of its proper divisors (14492860889).

72464304415 is a wasteful number, since it uses less digits than its factorization.

72464304415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492860888.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 72464304415 in words is "seventy-two billion, four hundred sixty-four million, three hundred four thousand, four hundred fifteen".