68837590 has 32 divisors (see below), whose sum is σ = 135730080. Its totient is φ = 25019904.

The previous prime is 68837581. The next prime is 68837591. The reversal of 68837590 is 9573886.

It is a super-2 number, since 2×68837590² = 9477227594016200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68837590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68837591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (4241565).

Almost surely, 2^68837590 is an apocalyptic number.

68837590 is a deficient number, since it is larger than the sum of its proper divisors (66892490).

68837590 is a wasteful number, since it uses less digits than its factorization.

68837590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14016.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 68837590 is about 8296.8421703682. The cubic root of 68837590 is about 409.8345356515.

The spelling of 68837590 in words is "sixty-eight million, eight hundred thirty-seven thousand, five hundred ninety".