73715730 has 32 divisors (see below), whose sum is σ = 193002048. Its totient is φ = 17870400.

The previous prime is 73715711. The next prime is 73715777. The reversal of 73715730 is 3751737.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 73715691 and 73715700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111361 + ... + 112020.

It is an arithmetic number, because the mean of its divisors is an integer number (6031314).

Almost surely, 2^73715730 is an apocalyptic number.

73715730 is an abundant number, since it is smaller than the sum of its proper divisors (119286318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73715730 is a wasteful number, since it uses less digits than its factorization.

73715730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223402.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 73715730 is about 8585.7865102738. The cubic root of 73715730 is about 419.2953604281.

The spelling of 73715730 in words is "seventy-three million, seven hundred fifteen thousand, seven hundred thirty".