15074789 has 2 divisors, whose sum is σ = 15074790. Its totient is φ = 15074788.

The previous prime is 15074779. The next prime is 15074797. The reversal of 15074789 is 98747051.

15074789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 4622500 = 3233^2 + 2150^2 .

It is a cyclic number.

It is not a de Polignac number, because 15074789 - 2⁸ = 15074533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15074749) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537394 + 7537395.

It is an arithmetic number, because the mean of its divisors is an integer number (7537395).

Almost surely, 2^15074789 is an apocalyptic number.

It is an amenable number.

15074789 is a deficient number, since it is larger than the sum of its proper divisors (1).

15074789 is an equidigital number, since it uses as much as digits as its factorization.

15074789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 15074789 is about 3882.6265594311. The cubic root of 15074789 is about 247.0304070703.

The spelling of 15074789 in words is "fifteen million, seventy-four thousand, seven hundred eighty-nine".