15074749 has 2 divisors, whose sum is σ = 15074750. Its totient is φ = 15074748.

The previous prime is 15074743. The next prime is 15074779. The reversal of 15074749 is 94747051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 710649 = 3790^2 + 843^2 .

It is a cyclic number.

It is not a de Polignac number, because 15074749 - 2²¹ = 12977597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15074743) 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 as a sum of consecutive naturals, namely, 7537374 + 7537375.

It is an arithmetic number, because the mean of its divisors is an integer number (7537375).

Almost surely, 2^15074749 is an apocalyptic number.

It is an amenable number.

15074749 is a deficient number, since it is larger than the sum of its proper divisors (1).

15074749 is an equidigital number, since it uses as much as digits as its factorization.

15074749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 15074749 is about 3882.6214082756. The cubic root of 15074749 is about 247.0301885769.

The spelling of 15074749 in words is "fifteen million, seventy-four thousand, seven hundred forty-nine".