21073262 has 16 divisors (see below), whose sum is σ = 37007712. Its totient is φ = 8810880.

The previous prime is 21073259. The next prime is 21073271. The reversal of 21073262 is 26237012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17783 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (2312982).

Almost surely, 2^21073262 is an apocalyptic number.

21073262 is a deficient number, since it is larger than the sum of its proper divisors (15934450).

21073262 is a wasteful number, since it uses less digits than its factorization.

21073262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36763.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 21073262 is about 4590.5622749289. The cubic root of 21073262 is about 276.2128774943.

The spelling of 21073262 in words is "twenty-one million, seventy-three thousand, two hundred sixty-two".