21370702 has 8 divisors (see below), whose sum is σ = 32085936. Its totient is φ = 10675392.

The previous prime is 21370693. The next prime is 21370721. The reversal of 21370702 is 20707312.

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, 1923 + ... + 6814.

It is an arithmetic number, because the mean of its divisors is an integer number (4010742).

Almost surely, 2^21370702 is an apocalyptic number.

21370702 is a deficient number, since it is larger than the sum of its proper divisors (10715234).

21370702 is a wasteful number, since it uses less digits than its factorization.

21370702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9962.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 21370702 is about 4622.8456604131. The cubic root of 21370702 is about 277.5063526939.

The spelling of 21370702 in words is "twenty-one million, three hundred seventy thousand, seven hundred two".