68239132 has 24 divisors (see below), whose sum is σ = 129629696. Its totient is φ = 31243968.

The previous prime is 68239121. The next prime is 68239133. The reversal of 68239132 is 23193286.

It is a happy number.

It is a super-2 number, since 2×68239132² = 9313158272226848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68239133) 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, 1438 + ... + 11770.

Almost surely, 2^68239132 is an apocalyptic number.

It is an amenable number.

68239132 is a deficient number, since it is larger than the sum of its proper divisors (61390564).

68239132 is a wasteful number, since it uses less digits than its factorization.

68239132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10477 (or 10475 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 68239132 is about 8260.6980334594. The cubic root of 68239132 is about 408.6434084426.

The spelling of 68239132 in words is "sixty-eight million, two hundred thirty-nine thousand, one hundred thirty-two".