73923013 has 2 divisors, whose sum is σ = 73923014. Its totient is φ = 73923012.

The previous prime is 73923007. The next prime is 73923019. The reversal of 73923013 is 31032937.

It is a balanced prime because it is at equal distance from previous prime (73923007) and next prime (73923019).

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 25230529 = 6978^2 + 5023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73923013 is a prime.

It is a super-2 number, since 2×73923013² = 10929223701996338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73923019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36961506 + 36961507.

It is an arithmetic number, because the mean of its divisors is an integer number (36961507).

Almost surely, 2^73923013 is an apocalyptic number.

It is an amenable number.

73923013 is a deficient number, since it is larger than the sum of its proper divisors (1).

73923013 is an equidigital number, since it uses as much as digits as its factorization.

73923013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 73923013 is about 8597.8493241043. The cubic root of 73923013 is about 419.6880014703.

The spelling of 73923013 in words is "seventy-three million, nine hundred twenty-three thousand, thirteen".