73073718 has 32 divisors (see below), whose sum is σ = 171940320. Its totient is φ = 22924800.

The previous prime is 73073711. The next prime is 73073729. The reversal of 73073718 is 81737037.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73073711) 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 15 ways as a sum of consecutive naturals, for example, 38883 + ... + 40718.

It is an arithmetic number, because the mean of its divisors is an integer number (5373135).

Almost surely, 2^73073718 is an apocalyptic number.

73073718 is an abundant number, since it is smaller than the sum of its proper divisors (98866602).

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

73073718 is a wasteful number, since it uses less digits than its factorization.

73073718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79629 (or 79623 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 73073718 is about 8548.3166763989. The cubic root of 73073718 is about 418.0745538287.

It can be divided in two parts, 7307 and 3718, that added together give a square (11025 = 105²).

The spelling of 73073718 in words is "seventy-three million, seventy-three thousand, seven hundred eighteen".