68199582 has 32 divisors (see below), whose sum is σ = 149402880. Its totient is φ = 20582720.

The previous prime is 68199581. The next prime is 68199587. The reversal of 68199582 is 28599186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68199581) 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, 15394 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (4668840).

Almost surely, 2^68199582 is an apocalyptic number.

68199582 is an abundant number, since it is smaller than the sum of its proper divisors (81203298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68199582 is a wasteful number, since it uses less digits than its factorization.

68199582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208.

The product of its digits is 311040, while the sum is 48.

The square root of 68199582 is about 8258.3038210034. The cubic root of 68199582 is about 408.5644460755.

The spelling of 68199582 in words is "sixty-eight million, one hundred ninety-nine thousand, five hundred eighty-two".