17140242 has 64 divisors (see below), whose sum is σ = 42209280. Its totient is φ = 4530816.

The previous prime is 17140237. The next prime is 17140259. The reversal of 17140242 is 24204171.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37278 + ... + 37734.

It is an arithmetic number, because the mean of its divisors is an integer number (659520).

Almost surely, 2^17140242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17140242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21104640).

17140242 is an abundant number, since it is smaller than the sum of its proper divisors (25069038).

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

17140242 is a wasteful number, since it uses less digits than its factorization.

17140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 17140242 is about 4140.0775355058. The cubic root of 17140242 is about 257.8332857218.

It can be divided in two parts, 1714024 and 2, that added together give a triangular number (1714026 = T₁₈₅₁).

The spelling of 17140242 in words is "seventeen million, one hundred forty thousand, two hundred forty-two".