21474703 has 8 divisors (see below), whose sum is σ = 22337280. Its totient is φ = 20620320.

The previous prime is 21474683. The next prime is 21474707. The reversal of 21474703 is 30747412.

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

It is a cyclic number.

It is not a de Polignac number, because 21474703 - 2²¹ = 19377551 is a prime.

It is a super-2 number, since 2×21474703² = 922325737876418, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21474707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601 + ... + 7477.

It is an arithmetic number, because the mean of its divisors is an integer number (2792160).

Almost surely, 2^21474703 is an apocalyptic number.

21474703 is a deficient number, since it is larger than the sum of its proper divisors (862577).

21474703 is a wasteful number, since it uses less digits than its factorization.

21474703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 21474703 is about 4634.0805992127. The cubic root of 21474703 is about 277.9557880453.

The spelling of 21474703 in words is "twenty-one million, four hundred seventy-four thousand, seven hundred three".