68612893 has 8 divisors (see below), whose sum is σ = 69352448. Its totient is φ = 67876704.

The previous prime is 68612881. The next prime is 68612897. The reversal of 68612893 is 39821686.

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

It is a cyclic number.

It is not a de Polignac number, because 68612893 - 2²⁵ = 35058461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68612897) 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, 65905 + ... + 66937.

It is an arithmetic number, because the mean of its divisors is an integer number (8669056).

Almost surely, 2^68612893 is an apocalyptic number.

It is an amenable number.

68612893 is a deficient number, since it is larger than the sum of its proper divisors (739555).

68612893 is a wasteful number, since it uses less digits than its factorization.

68612893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its digits is 124416, while the sum is 43.

The square root of 68612893 is about 8283.2899864728. The cubic root of 68612893 is about 409.3881275669.

The spelling of 68612893 in words is "sixty-eight million, six hundred twelve thousand, eight hundred ninety-three".