68647460 has 24 divisors (see below), whose sum is σ = 164754240. Its totient is φ = 23536224.

The previous prime is 68647441. The next prime is 68647483. The reversal of 68647460 is 6474686.

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, 245030 + ... + 245309.

It is an arithmetic number, because the mean of its divisors is an integer number (6864760).

Almost surely, 2^68647460 is an apocalyptic number.

It is an amenable number.

68647460 is an abundant number, since it is smaller than the sum of its proper divisors (96106780).

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

68647460 is a wasteful number, since it uses less digits than its factorization.

68647460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490355 (or 490353 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 68647460 is about 8285.3762738937. The cubic root of 68647460 is about 409.4568655887.

The spelling of 68647460 in words is "sixty-eight million, six hundred forty-seven thousand, four hundred sixty".