68002056 has 24 divisors (see below), whose sum is σ = 184172430. Its totient is φ = 22667328.

The previous prime is 68002019. The next prime is 68002061. The reversal of 68002056 is 65020086.

It can be written as a sum of positive squares in only one way, i.e., 52272900 + 15729156 = 7230^2 + 3966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×68002056³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472165 + ... + 472308.

Almost surely, 2^68002056 is an apocalyptic number.

It is an amenable number.

68002056 is an abundant number, since it is smaller than the sum of its proper divisors (116170374).

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

68002056 is a wasteful number, since it uses less digits than its factorization.

68002056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944485 (or 944478 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 68002056 is about 8246.3359136043. The cubic root of 68002056 is about 408.1696238184.

The spelling of 68002056 in words is "sixty-eight million, two thousand, fifty-six".