72488623 has 2 divisors, whose sum is σ = 72488624. Its totient is φ = 72488622.

The previous prime is 72488567. The next prime is 72488651. The reversal of 72488623 is 32688427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72488623 - 2²¹ = 70391471 is a prime.

It is a super-2 number, since 2×72488623² = 10509200928872258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72488653) 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 as a sum of consecutive naturals, namely, 36244311 + 36244312.

It is an arithmetic number, because the mean of its divisors is an integer number (36244312).

Almost surely, 2^72488623 is an apocalyptic number.

72488623 is a deficient number, since it is larger than the sum of its proper divisors (1).

72488623 is an equidigital number, since it uses as much as digits as its factorization.

72488623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 72488623 is about 8514.0250763079. The cubic root of 72488623 is about 416.9557333485.

The spelling of 72488623 in words is "seventy-two million, four hundred eighty-eight thousand, six hundred twenty-three".