68491602 has 32 divisors (see below), whose sum is σ = 152631360. Its totient is φ = 22766400.

The previous prime is 68491573. The next prime is 68491613. The reversal of 68491602 is 20619486.

68491602 is a `hidden beast` number, since 6 + 8 + 49 + 1 + 602 = 666.

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, 20073 + ... + 23235.

It is an arithmetic number, because the mean of its divisors is an integer number (4769730).

Almost surely, 2^68491602 is an apocalyptic number.

68491602 is an abundant number, since it is smaller than the sum of its proper divisors (84139758).

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

68491602 is a wasteful number, since it uses less digits than its factorization.

68491602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575 (or 3569 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68491602 is about 8275.9653213387. The cubic root of 68491602 is about 409.1467522151.

The spelling of 68491602 in words is "sixty-eight million, four hundred ninety-one thousand, six hundred two".