21733048 has 16 divisors (see below), whose sum is σ = 40905000. Its totient is φ = 10825056.

The previous prime is 21733043. The next prime is 21733051. The reversal of 21733048 is 84033712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21733043) 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, 2898 + ... + 7201.

Almost surely, 2^21733048 is an apocalyptic number.

It is an amenable number.

21733048 is a deficient number, since it is larger than the sum of its proper divisors (19171952).

21733048 is a wasteful number, since it uses less digits than its factorization.

21733048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374 (or 10370 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 21733048 is about 4661.8717271070. The cubic root of 21733048 is about 279.0659693355.

The spelling of 21733048 in words is "twenty-one million, seven hundred thirty-three thousand, forty-eight".