104668728 has 32 divisors (see below), whose sum is σ = 277065360. Its totient is φ = 32837120.

The previous prime is 104668709. The next prime is 104668747. The reversal of 104668728 is 827866401.

It is an interprime number because it is at equal distance from previous prime (104668709) and next prime (104668747).

It is a super-2 number, since 2×104668728² = 21911085242275968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104668728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127863 + ... + 128678.

Almost surely, 2^104668728 is an apocalyptic number.

It is an amenable number.

104668728 is an abundant number, since it is smaller than the sum of its proper divisors (172396632).

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

104668728 is a wasteful number, since it uses less digits than its factorization.

104668728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256567 (or 256563 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 104668728 is about 10230.7735777897. The cubic root of 104668728 is about 471.2727356892.

The spelling of 104668728 in words is "one hundred four million, six hundred sixty-eight thousand, seven hundred twenty-eight".