68499722 has 4 divisors (see below), whose sum is σ = 102749586. Its totient is φ = 34249860.

The previous prime is 68499719. The next prime is 68499757. The reversal of 68499722 is 22799486.

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., 42784681 + 25715041 = 6541^2 + 5071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17124929 + ... + 17124932.

Almost surely, 2^68499722 is an apocalyptic number.

68499722 is a deficient number, since it is larger than the sum of its proper divisors (34249864).

68499722 is a wasteful number, since it uses less digits than its factorization.

68499722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34249863.

The product of its digits is 435456, while the sum is 47.

The square root of 68499722 is about 8276.4558840122. The cubic root of 68499722 is about 409.1629203304.

The spelling of 68499722 in words is "sixty-eight million, four hundred ninety-nine thousand, seven hundred twenty-two".