73720264 has 32 divisors (see below), whose sum is σ = 141300000. Its totient is φ = 36047232.

The previous prime is 73720261. The next prime is 73720271. The reversal of 73720264 is 46202737.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73720261) 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, 147487 + ... + 147985.

It is an arithmetic number, because the mean of its divisors is an integer number (4415625).

Almost surely, 2^73720264 is an apocalyptic number.

It is an amenable number.

73720264 is a deficient number, since it is larger than the sum of its proper divisors (67579736).

73720264 is a wasteful number, since it uses less digits than its factorization.

73720264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 73720264 is about 8586.0505472540. The cubic root of 73720264 is about 419.3039567217.

It can be divided in two parts, 73720 and 264, that added together give a square (73984 = 272²).

The spelling of 73720264 in words is "seventy-three million, seven hundred twenty thousand, two hundred sixty-four".