68942051 has 8 divisors (see below), whose sum is σ = 72775680. Its totient is φ = 65128968.

The previous prime is 68942039. The next prime is 68942059. The reversal of 68942051 is 15024986.

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-68942051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68942059) 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, 2030 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (9096960).

Almost surely, 2^68942051 is an apocalyptic number.

68942051 is a deficient number, since it is larger than the sum of its proper divisors (3833629).

68942051 is a wasteful number, since it uses less digits than its factorization.

68942051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 68942051 is about 8303.1350103440. The cubic root of 68942051 is about 410.0417387609.

The spelling of 68942051 in words is "sixty-eight million, nine hundred forty-two thousand, fifty-one".