21700714 has 8 divisors (see below), whose sum is σ = 37201248. Its totient is φ = 9300300.

The previous prime is 21700711. The next prime is 21700741. The reversal of 21700714 is 41700712.

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

It is not an unprimeable number, because it can be changed into a prime (21700711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775012 + ... + 775039.

It is an arithmetic number, because the mean of its divisors is an integer number (4650156).

Almost surely, 2^21700714 is an apocalyptic number.

21700714 is a deficient number, since it is larger than the sum of its proper divisors (15500534).

21700714 is a wasteful number, since it uses less digits than its factorization.

21700714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550060.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 21700714 is about 4658.4025158846. The cubic root of 21700714 is about 278.9275043633.

The spelling of 21700714 in words is "twenty-one million, seven hundred thousand, seven hundred fourteen".