68680372 has 12 divisors (see below), whose sum is σ = 120602916. Its totient is φ = 34222400.

The previous prime is 68680363. The next prime is 68680373. The reversal of 68680372 is 27308686.

It is a happy number.

68680372 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50069776 + 18610596 = 7076^2 + 4314^2 .

68680372 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68680373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28129 + ... + 30472.

It is an arithmetic number, because the mean of its divisors is an integer number (10050243).

Almost surely, 2^68680372 is an apocalyptic number.

It is an amenable number.

68680372 is a deficient number, since it is larger than the sum of its proper divisors (51922544).

68680372 is a wasteful number, since it uses less digits than its factorization.

68680372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58898 (or 58896 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68680372 is about 8287.3621858828. The cubic root of 68680372 is about 409.5222911281.

The spelling of 68680372 in words is "sixty-eight million, six hundred eighty thousand, three hundred seventy-two".