68949499 has 8 divisors (see below), whose sum is σ = 73663040. Its totient is φ = 64344456.

The previous prime is 68949493. The next prime is 68949521. The reversal of 68949499 is 99494986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68949499 - 2⁷ = 68949371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68949493) 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, 25809 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (9207880).

Almost surely, 2^68949499 is an apocalyptic number.

68949499 is a deficient number, since it is larger than the sum of its proper divisors (4713541).

68949499 is a wasteful number, since it uses less digits than its factorization.

68949499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54249.

The product of its digits is 5038848, while the sum is 58.

The square root of 68949499 is about 8303.5835035242. The cubic root of 68949499 is about 410.0565042093.

The spelling of 68949499 in words is "sixty-eight million, nine hundred forty-nine thousand, four hundred ninety-nine".