72250189 has 12 divisors (see below), whose sum is σ = 79680832. Its totient is φ = 65462760.

The previous prime is 72250151. The next prime is 72250193. The reversal of 72250189 is 98105227.

It is not a de Polignac number, because 72250189 - 2¹⁵ = 72217421 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72250489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43594 + ... + 45220.

Almost surely, 2^72250189 is an apocalyptic number.

It is an amenable number.

72250189 is a deficient number, since it is larger than the sum of its proper divisors (7430643).

72250189 is a wasteful number, since it uses less digits than its factorization.

72250189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 72250189 is about 8500.0111176398. The cubic root of 72250189 is about 416.4980724494.

The spelling of 72250189 in words is "seventy-two million, two hundred fifty thousand, one hundred eighty-nine".