72469173 has 32 divisors (see below), whose sum is σ = 120268800. Its totient is φ = 37872576.

The previous prime is 72469171. The next prime is 72469207. The reversal of 72469173 is 37196427.

It is not a de Polignac number, because 72469173 - 2¹ = 72469171 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72469171) 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 31 ways as a sum of consecutive naturals, for example, 8440 + ... + 14702.

It is an arithmetic number, because the mean of its divisors is an integer number (3758400).

Almost surely, 2^72469173 is an apocalyptic number.

It is an amenable number.

72469173 is a deficient number, since it is larger than the sum of its proper divisors (47799627).

72469173 is a wasteful number, since it uses less digits than its factorization.

72469173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321.

The product of its digits is 63504, while the sum is 39.

The square root of 72469173 is about 8512.8827667248. The cubic root of 72469173 is about 416.9184377743.

The spelling of 72469173 in words is "seventy-two million, four hundred sixty-nine thousand, one hundred seventy-three".