73715272 has 32 divisors (see below), whose sum is σ = 143827200. Its totient is φ = 35380800.

The previous prime is 73715251. The next prime is 73715273. The reversal of 73715272 is 27251737.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73715273) 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 7 ways as a sum of consecutive naturals, for example, 31354 + ... + 33622.

It is an arithmetic number, because the mean of its divisors is an integer number (4494600).

Almost surely, 2^73715272 is an apocalyptic number.

It is an amenable number.

73715272 is a deficient number, since it is larger than the sum of its proper divisors (70111928).

73715272 is a wasteful number, since it uses less digits than its factorization.

73715272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2433 counting only the distinct ones).

The product of its digits is 20580, while the sum is 34.

The square root of 73715272 is about 8585.7598382438. The cubic root of 73715272 is about 419.2944920577.

The spelling of 73715272 in words is "seventy-three million, seven hundred fifteen thousand, two hundred seventy-two".