73735723 has 6 divisors (see below), whose sum is σ = 77081564. Its totient is φ = 70529316.

The previous prime is 73735703. The next prime is 73735787. The reversal of 73735723 is 32753737.

It is a happy number.

It is not a de Polignac number, because 73735723 - 2⁵ = 73735691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73735703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69165 + ... + 70222.

Almost surely, 2^73735723 is an apocalyptic number.

73735723 is a deficient number, since it is larger than the sum of its proper divisors (3345841).

73735723 is a wasteful number, since it uses less digits than its factorization.

73735723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139433 (or 139410 counting only the distinct ones).

The product of its digits is 92610, while the sum is 37.

The square root of 73735723 is about 8586.9507393486. The cubic root of 73735723 is about 419.3332637557. Note that the first 3 decimals are identical.

The spelling of 73735723 in words is "seventy-three million, seven hundred thirty-five thousand, seven hundred twenty-three".