68179240 has 32 divisors (see below), whose sum is σ = 153653760. Its totient is φ = 27227200.

The previous prime is 68179229. The next prime is 68179247. The reversal of 68179240 is 4297186.

It is a self number, because there is not a number n which added to its sum of digits gives 68179240.

It is not an unprimeable number, because it can be changed into a prime (68179247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35505 + ... + 37375.

It is an arithmetic number, because the mean of its divisors is an integer number (4801680).

Almost surely, 2^68179240 is an apocalyptic number.

It is an amenable number.

68179240 is an abundant number, since it is smaller than the sum of its proper divisors (85474520).

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

68179240 is a wasteful number, since it uses less digits than its factorization.

68179240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 68179240 is about 8257.0721203100. The cubic root of 68179240 is about 408.5238209760.

The spelling of 68179240 in words is "sixty-eight million, one hundred seventy-nine thousand, two hundred forty".