15074742 has 16 divisors (see below), whose sum is σ = 31122432. Its totient is φ = 4862760.

The previous prime is 15074723. The next prime is 15074743. The reversal of 15074742 is 24747051.

15074742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15074743) 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, 40338 + ... + 40709.

It is an arithmetic number, because the mean of its divisors is an integer number (1945152).

Almost surely, 2^15074742 is an apocalyptic number.

15074742 is an abundant number, since it is smaller than the sum of its proper divisors (16047690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15074742 is a wasteful number, since it uses less digits than its factorization.

15074742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81083.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 15074742 is about 3882.6205068227. The cubic root of 15074742 is about 247.0301503405.

The spelling of 15074742 in words is "fifteen million, seventy-four thousand, seven hundred forty-two".