68656371 has 8 divisors (see below), whose sum is σ = 104619264. Its totient is φ = 39232200.

The previous prime is 68656363. The next prime is 68656391. The reversal of 68656371 is 17365686.

68656371 = 2208² + 2209² + ... + 2221².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68656371 - 2³ = 68656363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68656391) 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, 1634655 + ... + 1634696.

It is an arithmetic number, because the mean of its divisors is an integer number (13077408).

Almost surely, 2^68656371 is an apocalyptic number.

68656371 is a deficient number, since it is larger than the sum of its proper divisors (35962893).

68656371 is a wasteful number, since it uses less digits than its factorization.

68656371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269361.

The product of its digits is 181440, while the sum is 42.

The square root of 68656371 is about 8285.9140111396. The cubic root of 68656371 is about 409.4745817687.

The spelling of 68656371 in words is "sixty-eight million, six hundred fifty-six thousand, three hundred seventy-one".