72514831 has 2 divisors, whose sum is σ = 72514832. Its totient is φ = 72514830.

The previous prime is 72514789. The next prime is 72514861. The reversal of 72514831 is 13841527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72514831 - 2¹⁵ = 72482063 is a prime.

It is a super-2 number, since 2×72514831² = 10516801429917122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72514793 and 72514802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72514861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36257415 + 36257416.

It is an arithmetic number, because the mean of its divisors is an integer number (36257416).

Almost surely, 2^72514831 is an apocalyptic number.

72514831 is a deficient number, since it is larger than the sum of its proper divisors (1).

72514831 is an equidigital number, since it uses as much as digits as its factorization.

72514831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 72514831 is about 8515.5640447360. The cubic root of 72514831 is about 417.0059769073.

The spelling of 72514831 in words is "seventy-two million, five hundred fourteen thousand, eight hundred thirty-one".