68689046 has 4 divisors (see below), whose sum is σ = 103033572. Its totient is φ = 34344522.

The previous prime is 68689037. The next prime is 68689051. The reversal of 68689046 is 64098686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64098686 = 2 ⋅32049343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172260 + ... + 17172263.

It is an arithmetic number, because the mean of its divisors is an integer number (25758393).

Almost surely, 2^68689046 is an apocalyptic number.

68689046 is a deficient number, since it is larger than the sum of its proper divisors (34344526).

68689046 is a wasteful number, since it uses less digits than its factorization.

68689046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34344525.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 68689046 is about 8287.8854963133. The cubic root of 68689046 is about 409.5395306330.

The spelling of 68689046 in words is "sixty-eight million, six hundred eighty-nine thousand, forty-six".