68476464 has 60 divisors (see below), whose sum is σ = 219019216. Its totient is φ = 19564416.

The previous prime is 68476439. The next prime is 68476481. The reversal of 68476464 is 46467486.

It is a super-2 number, since 2×68476464² = 9378052243886592, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32959 + ... + 34974.

Almost surely, 2^68476464 is an apocalyptic number.

It is an amenable number.

68476464 is an abundant number, since it is smaller than the sum of its proper divisors (150542752).

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

68476464 is a wasteful number, since it uses less digits than its factorization.

68476464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67954 (or 67945 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 68476464 is about 8275.0506947088. The cubic root of 68476464 is about 409.1166068167.

The spelling of 68476464 in words is "sixty-eight million, four hundred seventy-six thousand, four hundred sixty-four".