68238292 has 6 divisors (see below), whose sum is σ = 119417018. Its totient is φ = 34119144.

The previous prime is 68238257. The next prime is 68238299. The reversal of 68238292 is 29283286.

It can be written as a sum of positive squares in only one way, i.e., 58277956 + 9960336 = 7634^2 + 3156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68238299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8529783 + ... + 8529790.

Almost surely, 2^68238292 is an apocalyptic number.

It is an amenable number.

68238292 is a deficient number, since it is larger than the sum of its proper divisors (51178726).

68238292 is a wasteful number, since it uses less digits than its factorization.

68238292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17059577 (or 17059575 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 68238292 is about 8260.6471901419. The cubic root of 68238292 is about 408.6417316829.

The spelling of 68238292 in words is "sixty-eight million, two hundred thirty-eight thousand, two hundred ninety-two".