17272045 has 24 divisors (see below), whose sum is σ = 25017984. Its totient is φ = 11212128.

The previous prime is 17272043. The next prime is 17272049. The reversal of 17272045 is 54027271.

It is not a de Polignac number, because 17272045 - 2¹ = 17272043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17272043) 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 23 ways as a sum of consecutive naturals, for example, 11952 + ... + 13318.

It is an arithmetic number, because the mean of its divisors is an integer number (1042416).

Almost surely, 2^17272045 is an apocalyptic number.

It is an amenable number.

17272045 is a deficient number, since it is larger than the sum of its proper divisors (7745939).

17272045 is a wasteful number, since it uses less digits than its factorization.

17272045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 17272045 is about 4155.9649902279. The cubic root of 17272045 is about 258.4924841960.

The spelling of 17272045 in words is "seventeen million, two hundred seventy-two thousand, forty-five".