73491968 has 40 divisors (see below), whose sum is σ = 160201800. Its totient is φ = 33402880.

The previous prime is 73491961. The next prime is 73491989. The reversal of 73491968 is 86919437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73491961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (4005045).

Almost surely, 2^73491968 is an apocalyptic number.

It is an amenable number.

73491968 is an abundant number, since it is smaller than the sum of its proper divisors (86709832).

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

73491968 is a wasteful number, since it uses less digits than its factorization.

73491968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13078 (or 13062 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 73491968 is about 8572.7456511902. The cubic root of 73491968 is about 418.8706773898.

The spelling of 73491968 in words is "seventy-three million, four hundred ninety-one thousand, nine hundred sixty-eight".