68976307 has 4 divisors (see below), whose sum is σ = 70443936. Its totient is φ = 67508680.

The previous prime is 68976301. The next prime is 68976329. The reversal of 68976307 is 70367986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68976307 - 2⁷ = 68976179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68976301) 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, 733744 + ... + 733837.

It is an arithmetic number, because the mean of its divisors is an integer number (17610984).

Almost surely, 2^68976307 is an apocalyptic number.

68976307 is a deficient number, since it is larger than the sum of its proper divisors (1467629).

68976307 is a wasteful number, since it uses less digits than its factorization.

68976307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467628.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 68976307 is about 8305.1975894617. The cubic root of 68976307 is about 410.1096415081.

The spelling of 68976307 in words is "sixty-eight million, nine hundred seventy-six thousand, three hundred seven".