68570051 has 8 divisors (see below), whose sum is σ = 75071424. Its totient is φ = 62113320.

The previous prime is 68570017. The next prime is 68570053. The reversal of 68570051 is 15007586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68570051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68570053) 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, 7901 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (9383928).

Almost surely, 2^68570051 is an apocalyptic number.

68570051 is a deficient number, since it is larger than the sum of its proper divisors (6501373).

68570051 is a wasteful number, since it uses less digits than its factorization.

68570051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22321.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 68570051 is about 8280.7035329131. The cubic root of 68570051 is about 409.3029022926.

The spelling of 68570051 in words is "sixty-eight million, five hundred seventy thousand, fifty-one".