72464511 has 16 divisors (see below), whose sum is σ = 111168000. Its totient is φ = 41128608.

The previous prime is 72464501. The next prime is 72464521. The reversal of 72464511 is 11546427.

It is an interprime number because it is at equal distance from previous prime (72464501) and next prime (72464521).

It is not a de Polignac number, because 72464511 - 2²³ = 64075903 is a prime.

It is a super-2 number, since 2×72464511² = 10502210708938242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72464501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8451 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (6948000).

Almost surely, 2^72464511 is an apocalyptic number.

72464511 is a deficient number, since it is larger than the sum of its proper divisors (38703489).

72464511 is a wasteful number, since it uses less digits than its factorization.

72464511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318.

The product of its digits is 6720, while the sum is 30.

The square root of 72464511 is about 8512.6089420342. The cubic root of 72464511 is about 416.9094973501.

The spelling of 72464511 in words is "seventy-two million, four hundred sixty-four thousand, five hundred eleven".