73712623 has 2 divisors, whose sum is σ = 73712624. Its totient is φ = 73712622.

The previous prime is 73712593. The next prime is 73712627. The reversal of 73712623 is 32621737.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73712623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73712627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36856311 + 36856312.

It is an arithmetic number, because the mean of its divisors is an integer number (36856312).

Almost surely, 2^73712623 is an apocalyptic number.

73712623 is a deficient number, since it is larger than the sum of its proper divisors (1).

73712623 is an equidigital number, since it uses as much as digits as its factorization.

73712623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 31.

The square root of 73712623 is about 8585.6055697895. The cubic root of 73712623 is about 419.2894694693.

The spelling of 73712623 in words is "seventy-three million, seven hundred twelve thousand, six hundred twenty-three".