68992497 has 12 divisors (see below), whose sum is σ = 113892480. Its totient is φ = 39424248.

The previous prime is 68992493. The next prime is 68992523. The reversal of 68992497 is 79429986.

68992497 is a `hidden beast` number, since 68 + 9 + 92 + 497 = 666.

It is not a de Polignac number, because 68992497 - 2² = 68992493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68992493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547497 + ... + 547622.

It is an arithmetic number, because the mean of its divisors is an integer number (9491040).

Almost surely, 2^68992497 is an apocalyptic number.

It is an amenable number.

68992497 is a deficient number, since it is larger than the sum of its proper divisors (44899983).

68992497 is a wasteful number, since it uses less digits than its factorization.

68992497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095132 (or 1095129 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 68992497 is about 8306.1722231122. The cubic root of 68992497 is about 410.1417257409.

The spelling of 68992497 in words is "sixty-eight million, nine hundred ninety-two thousand, four hundred ninety-seven".