68980688 has 40 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 29473920.

The previous prime is 68980687. The next prime is 68980699. The reversal of 68980688 is 88608986.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68980687) 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, 47558 + ... + 48986.

It is an arithmetic number, because the mean of its divisors is an integer number (3830112).

Almost surely, 2^68980688 is an apocalyptic number.

It is an amenable number.

68980688 is an abundant number, since it is smaller than the sum of its proper divisors (84223792).

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

68980688 is a wasteful number, since it uses less digits than its factorization.

68980688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 68980688 is about 8305.4613357718. The cubic root of 68980688 is about 410.1183239692.

The spelling of 68980688 in words is "sixty-eight million, nine hundred eighty thousand, six hundred eighty-eight".