68673960 has 64 divisors (see below), whose sum is σ = 228916800. Its totient is φ = 18312768.

The previous prime is 68673953. The next prime is 68673971. The reversal of 68673960 is 6937686.

It is a super-2 number, since 2×68673960² = 9432225564163200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 30714 + ... + 32873.

It is an arithmetic number, because the mean of its divisors is an integer number (3576825).

Almost surely, 2^68673960 is an apocalyptic number.

68673960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68673960 is an abundant number, since it is smaller than the sum of its proper divisors (160242840).

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

68673960 is a wasteful number, since it uses less digits than its factorization.

68673960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63607 (or 63597 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 68673960 is about 8286.9753227580. The cubic root of 68673960 is about 409.5095463969.

The spelling of 68673960 in words is "sixty-eight million, six hundred seventy-three thousand, nine hundred sixty".