68197530 has 32 divisors (see below), whose sum is σ = 170792064. Its totient is φ = 17395136.

The previous prime is 68197529. The next prime is 68197541. The reversal of 68197530 is 3579186.

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, 48729 + ... + 50108.

It is an arithmetic number, because the mean of its divisors is an integer number (5337252).

Almost surely, 2^68197530 is an apocalyptic number.

68197530 is an abundant number, since it is smaller than the sum of its proper divisors (102594534).

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

68197530 is a wasteful number, since it uses less digits than its factorization.

68197530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98870.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 68197530 is about 8258.1795814816. The cubic root of 68197530 is about 408.5603483835.

The spelling of 68197530 in words is "sixty-eight million, one hundred ninety-seven thousand, five hundred thirty".