68619299 has 16 divisors (see below), whose sum is σ = 80372736. Its totient is φ = 57372000.

The previous prime is 68619289. The next prime is 68619311. The reversal of 68619299 is 99291686.

It is not a de Polignac number, because 68619299 - 2¹² = 68615203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68619209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49514 + ... + 50880.

It is an arithmetic number, because the mean of its divisors is an integer number (5023296).

Almost surely, 2^68619299 is an apocalyptic number.

68619299 is a deficient number, since it is larger than the sum of its proper divisors (11753437).

68619299 is a wasteful number, since it uses less digits than its factorization.

68619299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 419904, while the sum is 50.

The square root of 68619299 is about 8283.6766595516. The cubic root of 68619299 is about 409.4008679262.

The spelling of 68619299 in words is "sixty-eight million, six hundred nineteen thousand, two hundred ninety-nine".