17720052 has 48 divisors (see below), whose sum is σ = 50037120. Its totient is φ = 4764672.

The previous prime is 17720041. The next prime is 17720063. The reversal of 17720052 is 25002771.

It is an interprime number because it is at equal distance from previous prime (17720041) and next prime (17720063).

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, 4777 + ... + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (1042440).

Almost surely, 2^17720052 is an apocalyptic number.

17720052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17720052 is an abundant number, since it is smaller than the sum of its proper divisors (32317068).

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

17720052 is a wasteful number, since it uses less digits than its factorization.

17720052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12440 (or 12438 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 17720052 is about 4209.5192124517. The cubic root of 17720052 is about 260.7083837998.

The spelling of 17720052 in words is "seventeen million, seven hundred twenty thousand, fifty-two".