68737530 has 32 divisors (see below), whose sum is σ = 167235264. Its totient is φ = 18078336.

The previous prime is 68737523. The next prime is 68737541. The reversal of 68737530 is 3573786.

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, 13504 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (5226102).

Almost surely, 2^68737530 is an apocalyptic number.

68737530 is an abundant number, since it is smaller than the sum of its proper divisors (98497734).

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

68737530 is a wasteful number, since it uses less digits than its factorization.

68737530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31470.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 68737530 is about 8290.8099724936. The cubic root of 68737530 is about 409.6358654724.

The spelling of 68737530 in words is "sixty-eight million, seven hundred thirty-seven thousand, five hundred thirty".