21480702 has 16 divisors (see below), whose sum is σ = 43044480. Its totient is φ = 7146392.

The previous prime is 21480691. The next prime is 21480713. The reversal of 21480702 is 20708412.

It is an interprime number because it is at equal distance from previous prime (21480691) and next prime (21480713).

It is a super-2 number, since 2×21480702² = 922841116825608, which contains 22 as substring.

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, 199 + ... + 6557.

It is an arithmetic number, because the mean of its divisors is an integer number (2690280).

Almost surely, 2^21480702 is an apocalyptic number.

21480702 is an abundant number, since it is smaller than the sum of its proper divisors (21563778).

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

21480702 is a wasteful number, since it uses less digits than its factorization.

21480702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 21480702 is about 4634.7278237238. The cubic root of 21480702 is about 277.9816681320.

The spelling of 21480702 in words is "twenty-one million, four hundred eighty thousand, seven hundred two".