72514631 has 8 divisors (see below), whose sum is σ = 82968960. Its totient is φ = 62084088.

The previous prime is 72514627. The next prime is 72514633. The reversal of 72514631 is 13641527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72514631 - 2² = 72514627 is a prime.

It is a super-2 number, since 2×72514631² = 10516743418132322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72514594 and 72514603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72514633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (10371120).

Almost surely, 2^72514631 is an apocalyptic number.

72514631 is a deficient number, since it is larger than the sum of its proper divisors (10454329).

72514631 is a wasteful number, since it uses less digits than its factorization.

72514631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11893.

The product of its digits is 5040, while the sum is 29.

The square root of 72514631 is about 8515.5523015245. The cubic root of 72514631 is about 417.0055935316.

The spelling of 72514631 in words is "seventy-two million, five hundred fourteen thousand, six hundred thirty-one".