68936392 has 32 divisors (see below), whose sum is σ = 148864320. Its totient is φ = 29315520.

The previous prime is 68936381. The next prime is 68936423. The reversal of 68936392 is 29363986.

It is a happy number.

It is a super-2 number, since 2×68936392² = 9504452283955328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638 + ... + 12034.

It is an arithmetic number, because the mean of its divisors is an integer number (4652010).

Almost surely, 2^68936392 is an apocalyptic number.

It is an amenable number.

68936392 is an abundant number, since it is smaller than the sum of its proper divisors (79927928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68936392 is a wasteful number, since it uses less digits than its factorization.

68936392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541 (or 9537 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 68936392 is about 8302.7942284510. The cubic root of 68936392 is about 410.0305192431.

It can be divided in two parts, 6 and 8936392, that added together give a palindrome (8936398).

The spelling of 68936392 in words is "sixty-eight million, nine hundred thirty-six thousand, three hundred ninety-two".