68079550 has 48 divisors (see below), whose sum is σ = 157882752. Its totient is φ = 21218400.

The previous prime is 68079523. The next prime is 68079553. The reversal of 68079550 is 5597086.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68079553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4992 + ... + 12691.

It is an arithmetic number, because the mean of its divisors is an integer number (3289224).

Almost surely, 2^68079550 is an apocalyptic number.

68079550 is an abundant number, since it is smaller than the sum of its proper divisors (89803202).

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

68079550 is a wasteful number, since it uses less digits than its factorization.

68079550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17713 (or 17708 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 68079550 is about 8251.0332686276. The cubic root of 68079550 is about 408.3246127065.

The spelling of 68079550 in words is "sixty-eight million, seventy-nine thousand, five hundred fifty".