15020742 has 32 divisors (see below), whose sum is σ = 33663744. Its totient is φ = 4428000.

The previous prime is 15020737. The next prime is 15020857. The reversal of 15020742 is 24702051.

15020742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634 + ... + 5517.

It is an arithmetic number, because the mean of its divisors is an integer number (1051992).

Almost surely, 2^15020742 is an apocalyptic number.

15020742 is an abundant number, since it is smaller than the sum of its proper divisors (18643002).

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

15020742 is a wasteful number, since it uses less digits than its factorization.

15020742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 15020742 is about 3875.6602018237. The cubic root of 15020742 is about 246.7348310114.

Adding to 15020742 its reverse (24702051), we get a palindrome (39722793).

The spelling of 15020742 in words is "fifteen million, twenty thousand, seven hundred forty-two".