68949320 has 32 divisors (see below), whose sum is σ = 169240320. Its totient is φ = 25072320.

The previous prime is 68949317. The next prime is 68949341. The reversal of 68949320 is 2394986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77912 + ... + 78791.

It is an arithmetic number, because the mean of its divisors is an integer number (5288760).

Almost surely, 2^68949320 is an apocalyptic number.

It is an amenable number.

68949320 is an abundant number, since it is smaller than the sum of its proper divisors (100291000).

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

68949320 is a wasteful number, since it uses less digits than its factorization.

68949320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156725 (or 156721 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 68949320 is about 8303.5727250383. The cubic root of 68949320 is about 410.0561493594.

The spelling of 68949320 in words is "sixty-eight million, nine hundred forty-nine thousand, three hundred twenty".