73715751 has 14 divisors (see below), whose sum is σ = 110524160. Its totient is φ = 49143348.

The previous prime is 73715711. The next prime is 73715777. The reversal of 73715751 is 15751737.

It is a happy number.

It is not a de Polignac number, because 73715751 - 2⁷ = 73715623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73715701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 49831 + ... + 51288.

Almost surely, 2^73715751 is an apocalyptic number.

73715751 is a deficient number, since it is larger than the sum of its proper divisors (36808409).

73715751 is an equidigital number, since it uses as much as digits as its factorization.

73715751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101137 (or 101122 counting only the distinct ones).

The product of its digits is 25725, while the sum is 36.

The square root of 73715751 is about 8585.7877332252. The cubic root of 73715751 is about 419.2954002441.

The spelling of 73715751 in words is "seventy-three million, seven hundred fifteen thousand, seven hundred fifty-one".