68486628 has 24 divisors (see below), whose sum is σ = 182631232. Its totient is φ = 19567584.

The previous prime is 68486623. The next prime is 68486633. The reversal of 68486628 is 82668486.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68486623) and next prime (68486633).

It is not an unprimeable number, because it can be changed into a prime (68486623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407575 + ... + 407742.

Almost surely, 2^68486628 is an apocalyptic number.

It is an amenable number.

68486628 is an abundant number, since it is smaller than the sum of its proper divisors (114144604).

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

68486628 is a wasteful number, since it uses less digits than its factorization.

68486628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815331 (or 815329 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 68486628 is about 8275.6648071318. The cubic root of 68486628 is about 409.1368476178.

The spelling of 68486628 in words is "sixty-eight million, four hundred eighty-six thousand, six hundred twenty-eight".