68994499 has 24 divisors (see below), whose sum is σ = 84509568. Its totient is φ = 56085120.

The previous prime is 68994487. The next prime is 68994511. The reversal of 68994499 is 99449986.

It is an interprime number because it is at equal distance from previous prime (68994487) and next prime (68994511).

It is not a de Polignac number, because 68994499 - 2⁷ = 68994371 is a prime.

It is a super-2 number, since 2×68994499² = 9520481784522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68994469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80079 + ... + 80935.

It is an arithmetic number, because the mean of its divisors is an integer number (3521232).

Almost surely, 2^68994499 is an apocalyptic number.

68994499 is a deficient number, since it is larger than the sum of its proper divisors (15515069).

68994499 is a wasteful number, since it uses less digits than its factorization.

68994499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 948 counting only the distinct ones).

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

The square root of 68994499 is about 8306.2927350293. The cubic root of 68994499 is about 410.1456928186.

The spelling of 68994499 in words is "sixty-eight million, nine hundred ninety-four thousand, four hundred ninety-nine".