68980304 has 40 divisors (see below), whose sum is σ = 136657920. Its totient is φ = 33723648.

The previous prime is 68980297. The next prime is 68980309. The reversal of 68980304 is 40308986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68980309) 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, 168452 + ... + 168860.

It is an arithmetic number, because the mean of its divisors is an integer number (3416448).

Almost surely, 2^68980304 is an apocalyptic number.

It is an amenable number.

68980304 is a deficient number, since it is larger than the sum of its proper divisors (67677616).

68980304 is a wasteful number, since it uses less digits than its factorization.

68980304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 68980304 is about 8305.4382184205. The cubic root of 68980304 is about 410.1175629556.

The spelling of 68980304 in words is "sixty-eight million, nine hundred eighty thousand, three hundred four".