68797490 has 16 divisors (see below), whose sum is σ = 123932160. Its totient is φ = 27497520.

The previous prime is 68797489. The next prime is 68797493. The reversal of 68797490 is 9479786.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68797493) 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, 19481 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (7745760).

Almost surely, 2^68797490 is an apocalyptic number.

68797490 is a deficient number, since it is larger than the sum of its proper divisors (55134670).

68797490 is a wasteful number, since it uses less digits than its factorization.

68797490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 68797490 is about 8294.4252362656. The cubic root of 68797490 is about 409.7549398130.

The spelling of 68797490 in words is "sixty-eight million, seven hundred ninety-seven thousand, four hundred ninety".