68893738 has 8 divisors (see below), whose sum is σ = 104095332. Its totient is φ = 34195296.

The previous prime is 68893729. The next prime is 68893751. The reversal of 68893738 is 83739886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63952009 + 4941729 = 7997^2 + 2223^2 .

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

It is a super-2 number, since 2×68893738² = 9492694271225288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125445 + ... + 125992.

Almost surely, 2^68893738 is an apocalyptic number.

68893738 is a deficient number, since it is larger than the sum of its proper divisors (35201594).

68893738 is a wasteful number, since it uses less digits than its factorization.

68893738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251576.

The product of its digits is 1741824, while the sum is 52.

The square root of 68893738 is about 8300.2251776684. The cubic root of 68893738 is about 409.9459337789.

The spelling of 68893738 in words is "sixty-eight million, eight hundred ninety-three thousand, seven hundred thirty-eight".