15004742 has 8 divisors (see below), whose sum is σ = 22525776. Its totient is φ = 7496152.

The previous prime is 15004741. The next prime is 15004751. The reversal of 15004742 is 24740051.

15004742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15004741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (2815722).

Almost surely, 2^15004742 is an apocalyptic number.

15004742 is a deficient number, since it is larger than the sum of its proper divisors (7521034).

15004742 is a wasteful number, since it uses less digits than its factorization.

15004742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 15004742 is about 3873.5954873993. The cubic root of 15004742 is about 246.6471930897.

Adding to 15004742 its reverse (24740051), we get a palindrome (39744793).

The spelling of 15004742 in words is "fifteen million, four thousand, seven hundred forty-two".