68844990 has 16 divisors (see below), whose sum is σ = 165228048. Its totient is φ = 18358656.

The previous prime is 68844959. The next prime is 68845001. The reversal of 68844990 is 9944886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147387 + ... + 1147446.

It is an arithmetic number, because the mean of its divisors is an integer number (10326753).

Almost surely, 2^68844990 is an apocalyptic number.

68844990 is an abundant number, since it is smaller than the sum of its proper divisors (96383058).

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

68844990 is a wasteful number, since it uses less digits than its factorization.

68844990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294843.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 68844990 is about 8297.2881111843. The cubic root of 68844990 is about 409.8492207816.

The spelling of 68844990 in words is "sixty-eight million, eight hundred forty-four thousand, nine hundred ninety".