73712418 has 16 divisors (see below), whose sum is σ = 158765376. Its totient is φ = 22680720.

The previous prime is 73712411. The next prime is 73712467. The reversal of 73712418 is 81421737.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73712411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472438 + ... + 472593.

It is an arithmetic number, because the mean of its divisors is an integer number (9922836).

Almost surely, 2^73712418 is an apocalyptic number.

73712418 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

73712418 is an abundant number, since it is smaller than the sum of its proper divisors (85052958).

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

73712418 is a wasteful number, since it uses less digits than its factorization.

73712418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945049.

The product of its digits is 9408, while the sum is 33.

The square root of 73712418 is about 8585.5936311941. The cubic root of 73712418 is about 419.2890807777.

The spelling of 73712418 in words is "seventy-three million, seven hundred twelve thousand, four hundred eighteen".