21743094 has 32 divisors (see below), whose sum is σ = 44388864. Its totient is φ = 7099200.

The previous prime is 21743083. The next prime is 21743107. The reversal of 21743094 is 49034712.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93202 + ... + 93434.

It is an arithmetic number, because the mean of its divisors is an integer number (1387152).

Almost surely, 2^21743094 is an apocalyptic number.

21743094 is an abundant number, since it is smaller than the sum of its proper divisors (22645770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21743094 is a wasteful number, since it uses less digits than its factorization.

21743094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 21743094 is about 4662.9490668460. The cubic root of 21743094 is about 279.1089616924.

The spelling of 21743094 in words is "twenty-one million, seven hundred forty-three thousand, ninety-four".