75082172 has 24 divisors (see below), whose sum is σ = 144616752. Its totient is φ = 33824000.

The previous prime is 75082157. The next prime is 75082177. The reversal of 75082172 is 27128057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75082177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (6025698).

Almost surely, 2^75082172 is an apocalyptic number.

It is an amenable number.

75082172 is a deficient number, since it is larger than the sum of its proper divisors (69534580).

75082172 is a wasteful number, since it uses less digits than its factorization.

75082172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15229 (or 15227 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 75082172 is about 8664.9969417190. The cubic root of 75082172 is about 421.8702909909.

The spelling of 75082172 in words is "seventy-five million, eighty-two thousand, one hundred seventy-two".