73730023 has 2 divisors, whose sum is σ = 73730024. Its totient is φ = 73730022.

The previous prime is 73730017. The next prime is 73730047. The reversal of 73730023 is 32003737.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73730023 - 2²⁵ = 40175591 is a prime.

It is a super-2 number, since 2×73730023² = 10872232583161058, which contains 22 as substring.

It is equal to p_4324381 and since 73730023 and 4324381 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73730023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73730323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36865011 + 36865012.

It is an arithmetic number, because the mean of its divisors is an integer number (36865012).

Almost surely, 2^73730023 is an apocalyptic number.

73730023 is a deficient number, since it is larger than the sum of its proper divisors (1).

73730023 is an equidigital number, since it uses as much as digits as its factorization.

73730023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 73730023 is about 8586.6188339765. The cubic root of 73730023 is about 419.3224582234.

The spelling of 73730023 in words is "seventy-three million, seven hundred thirty thousand, twenty-three".