72302623 has 2 divisors, whose sum is σ = 72302624. Its totient is φ = 72302622.

The previous prime is 72302609. The next prime is 72302707. The reversal of 72302623 is 32620327.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72302623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72302723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36151311 + 36151312.

It is an arithmetic number, because the mean of its divisors is an integer number (36151312).

Almost surely, 2^72302623 is an apocalyptic number.

72302623 is a deficient number, since it is larger than the sum of its proper divisors (1).

72302623 is an equidigital number, since it uses as much as digits as its factorization.

72302623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72302623 is about 8503.0949071500. The cubic root of 72302623 is about 416.5988028852.

The spelling of 72302623 in words is "seventy-two million, three hundred two thousand, six hundred twenty-three".