17620242 has 24 divisors (see below), whose sum is σ = 36141648. Its totient is φ = 5726880.

The previous prime is 17620241. The next prime is 17620243. The reversal of 17620242 is 24202671.

It is an interprime number because it is at equal distance from previous prime (17620241) and next prime (17620243).

It is not an unprimeable number, because it can be changed into a prime (17620241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9213 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (1505902).

Almost surely, 2^17620242 is an apocalyptic number.

17620242 is an abundant number, since it is smaller than the sum of its proper divisors (18521406).

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

17620242 is a wasteful number, since it uses less digits than its factorization.

17620242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 17620242 is about 4197.6471981337. The cubic root of 17620242 is about 260.2179730281.

The spelling of 17620242 in words is "seventeen million, six hundred twenty thousand, two hundred forty-two".