17972059 has 4 divisors (see below), whose sum is σ = 20539504. Its totient is φ = 15404616.

The previous prime is 17972023. The next prime is 17972099. The reversal of 17972059 is 95027971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95027971 = 101 ⋅940871.

It is a cyclic number.

It is not a de Polignac number, because 17972059 - 2¹¹ = 17970011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17972099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283712 + ... + 1283725.

It is an arithmetic number, because the mean of its divisors is an integer number (5134876).

Almost surely, 2^17972059 is an apocalyptic number.

17972059 is a deficient number, since it is larger than the sum of its proper divisors (2567445).

17972059 is an equidigital number, since it uses as much as digits as its factorization.

17972059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567444.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 17972059 is about 4239.3465298322. The cubic root of 17972059 is about 261.9384652411.

The spelling of 17972059 in words is "seventeen million, nine hundred seventy-two thousand, fifty-nine".