68239466 has 4 divisors (see below), whose sum is σ = 102359202. Its totient is φ = 34119732.

The previous prime is 68239447. The next prime is 68239499. The reversal of 68239466 is 66493286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 24216241 = 6635^2 + 4921^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17059865 + ... + 17059868.

Almost surely, 2^68239466 is an apocalyptic number.

68239466 is a deficient number, since it is larger than the sum of its proper divisors (34119736).

68239466 is a wasteful number, since it uses less digits than its factorization.

68239466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34119735.

The product of its digits is 373248, while the sum is 44.

The square root of 68239466 is about 8260.7182496439. The cubic root of 68239466 is about 408.6440751503.

The spelling of 68239466 in words is "sixty-eight million, two hundred thirty-nine thousand, four hundred sixty-six".