73713943 has 2 divisors, whose sum is σ = 73713944. Its totient is φ = 73713942.

The previous prime is 73713929. The next prime is 73713949. The reversal of 73713943 is 34931737.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73713943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73713949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36856971 + 36856972.

It is an arithmetic number, because the mean of its divisors is an integer number (36856972).

Almost surely, 2^73713943 is an apocalyptic number.

73713943 is a deficient number, since it is larger than the sum of its proper divisors (1).

73713943 is an equidigital number, since it uses as much as digits as its factorization.

73713943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 37.

The square root of 73713943 is about 8585.6824422989. The cubic root of 73713943 is about 419.2919722464.

The spelling of 73713943 in words is "seventy-three million, seven hundred thirteen thousand, nine hundred forty-three".