21702334 has 12 divisors (see below), whose sum is σ = 33187896. Its totient is φ = 10643672.

The previous prime is 21702323. The next prime is 21702341. The reversal of 21702334 is 43320712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3687 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (2765658).

Almost surely, 2^21702334 is an apocalyptic number.

21702334 is a deficient number, since it is larger than the sum of its proper divisors (11485562).

21702334 is an equidigital number, since it uses as much as digits as its factorization.

21702334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 21702334 is about 4658.5763919893. The cubic root of 21702334 is about 278.9344450153.

The spelling of 21702334 in words is "twenty-one million, seven hundred two thousand, three hundred thirty-four".