79240189 has 8 divisors (see below), whose sum is σ = 91836288. Its totient is φ = 66963120.

The previous prime is 79240181. The next prime is 79240193. The reversal of 79240189 is 98104297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79240189 - 2³ = 79240181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79240181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79222 + ... + 80215.

It is an arithmetic number, because the mean of its divisors is an integer number (11479536).

Almost surely, 2^79240189 is an apocalyptic number.

It is an amenable number.

79240189 is a deficient number, since it is larger than the sum of its proper divisors (12596099).

79240189 is a wasteful number, since it uses less digits than its factorization.

79240189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159515.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 79240189 is about 8901.6958496682. The cubic root of 79240189 is about 429.5184604038.

The spelling of 79240189 in words is "seventy-nine million, two hundred forty thousand, one hundred eighty-nine".