72635023 has 2 divisors, whose sum is σ = 72635024. Its totient is φ = 72635022.

The previous prime is 72635021. The next prime is 72635029. The reversal of 72635023 is 32053627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72635023 - 2¹ = 72635021 is a prime.

Together with 72635021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 72634982 and 72635000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72635021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36317511 + 36317512.

It is an arithmetic number, because the mean of its divisors is an integer number (36317512).

Almost surely, 2^72635023 is an apocalyptic number.

72635023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72635023 is an equidigital number, since it uses as much as digits as its factorization.

72635023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 72635023 is about 8522.6183183339. The cubic root of 72635023 is about 417.2362429818.

The spelling of 72635023 in words is "seventy-two million, six hundred thirty-five thousand, twenty-three".