17472961 has 4 divisors (see below), whose sum is σ = 19061424. Its totient is φ = 15884500.

The previous prime is 17472941. The next prime is 17472967. The reversal of 17472961 is 16927471.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17472961 - 2¹¹ = 17470913 is a prime.

It is a super-2 number, since 2×17472961² = 610608732215042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17472961.

It is not an unprimeable number, because it can be changed into a prime (17472967) 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 3 ways as a sum of consecutive naturals, for example, 794215 + ... + 794236.

It is an arithmetic number, because the mean of its divisors is an integer number (4765356).

Almost surely, 2^17472961 is an apocalyptic number.

17472961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17472961 is a deficient number, since it is larger than the sum of its proper divisors (1588463).

17472961 is a wasteful number, since it uses less digits than its factorization.

17472961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588462.

The product of its digits is 21168, while the sum is 37.

The square root of 17472961 is about 4180.0671047245. The cubic root of 17472961 is about 259.4909220258.

Subtracting from 17472961 its reverse (16927471), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 17472961 in words is "seventeen million, four hundred seventy-two thousand, nine hundred sixty-one".