68971444 has 24 divisors (see below), whose sum is σ = 129457440. Its totient is φ = 32052384.

The previous prime is 68971421. The next prime is 68971481. The reversal of 68971444 is 44417986.

It is a self number, because there is not a number n which added to its sum of digits gives 68971444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4534 + ... + 12589.

It is an arithmetic number, because the mean of its divisors is an integer number (5394060).

Almost surely, 2^68971444 is an apocalyptic number.

It is an amenable number.

68971444 is a deficient number, since it is larger than the sum of its proper divisors (60485996).

68971444 is a wasteful number, since it uses less digits than its factorization.

68971444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17199 (or 17197 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 68971444 is about 8304.9048158302. The cubic root of 68971444 is about 410.1000033674.

The spelling of 68971444 in words is "sixty-eight million, nine hundred seventy-one thousand, four hundred forty-four".