68826651 has 4 divisors (see below), whose sum is σ = 91768872. Its totient is φ = 45884432.

The previous prime is 68826643. The next prime is 68826661. The reversal of 68826651 is 15662886.

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 68826651 - 2³ = 68826643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68826601) 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, 11471106 + ... + 11471111.

It is an arithmetic number, because the mean of its divisors is an integer number (22942218).

Almost surely, 2^68826651 is an apocalyptic number.

68826651 is a deficient number, since it is larger than the sum of its proper divisors (22942221).

68826651 is a wasteful number, since it uses less digits than its factorization.

68826651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22942220.

The product of its digits is 138240, while the sum is 42.

The square root of 68826651 is about 8296.1829174627. The cubic root of 68826651 is about 409.8128255292.

The spelling of 68826651 in words is "sixty-eight million, eight hundred twenty-six thousand, six hundred fifty-one".