68714657 has 4 divisors (see below), whose sum is σ = 74961456. Its totient is φ = 62467860.

The previous prime is 68714641. The next prime is 68714669. The reversal of 68714657 is 75641786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68714657 - 2⁴ = 68714641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68714617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123383 + ... + 3123404.

It is an arithmetic number, because the mean of its divisors is an integer number (18740364).

Almost surely, 2^68714657 is an apocalyptic number.

It is an amenable number.

68714657 is a deficient number, since it is larger than the sum of its proper divisors (6246799).

68714657 is a wasteful number, since it uses less digits than its factorization.

68714657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246798.

The product of its digits is 282240, while the sum is 44.

The square root of 68714657 is about 8289.4304388179. The cubic root of 68714657 is about 409.5904238210.

The spelling of 68714657 in words is "sixty-eight million, seven hundred fourteen thousand, six hundred fifty-seven".