68657051 has 8 divisors (see below), whose sum is σ = 72652800. Its totient is φ = 64699560.

The previous prime is 68657041. The next prime is 68657059. The reversal of 68657051 is 15075686.

It is a happy number.

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

It is not a de Polignac number, because 68657051 - 2²⁶ = 1548187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68656996 and 68657014.

It is not an unprimeable number, because it can be changed into a prime (68657059) 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, 5831 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (9081600).

Almost surely, 2^68657051 is an apocalyptic number.

68657051 is a deficient number, since it is larger than the sum of its proper divisors (3995749).

68657051 is a wasteful number, since it uses less digits than its factorization.

68657051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19129.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 68657051 is about 8285.9550445317. The cubic root of 68657051 is about 409.4759336306.

The spelling of 68657051 in words is "sixty-eight million, six hundred fifty-seven thousand, fifty-one".