68644270 has 8 divisors (see below), whose sum is σ = 123559704. Its totient is φ = 27457704.

The previous prime is 68644267. The next prime is 68644307. The reversal of 68644270 is 7244686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432204 + ... + 3432223.

It is an arithmetic number, because the mean of its divisors is an integer number (15444963).

Almost surely, 2^68644270 is an apocalyptic number.

68644270 is a deficient number, since it is larger than the sum of its proper divisors (54915434).

68644270 is a wasteful number, since it uses less digits than its factorization.

68644270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864434.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 68644270 is about 8285.1837638039. The cubic root of 68644270 is about 409.4505230980.

The spelling of 68644270 in words is "sixty-eight million, six hundred forty-four thousand, two hundred seventy".