73868172 has 48 divisors (see below), whose sum is σ = 197406720. Its totient is φ = 21059712.

The previous prime is 73868141. The next prime is 73868209. The reversal of 73868172 is 27186837.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67413 + ... + 68499.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^73868172 is an apocalyptic number.

It is an amenable number.

73868172 is an abundant number, since it is smaller than the sum of its proper divisors (123538548).

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

73868172 is a wasteful number, since it uses less digits than its factorization.

73868172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1908 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 73868172 is about 8594.6595045994. The cubic root of 73868172 is about 419.5841916519.

The spelling of 73868172 in words is "seventy-three million, eight hundred sixty-eight thousand, one hundred seventy-two".