15242974 has 8 divisors (see below), whose sum is σ = 23858640. Its totient is φ = 7290096.

The previous prime is 15242957. The next prime is 15242987. The reversal of 15242974 is 47924251.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165639 + ... + 165730.

It is an arithmetic number, because the mean of its divisors is an integer number (2982330).

Almost surely, 2^15242974 is an apocalyptic number.

15242974 is a deficient number, since it is larger than the sum of its proper divisors (8615666).

15242974 is a wasteful number, since it uses less digits than its factorization.

15242974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331394.

The product of its digits is 20160, while the sum is 34.

The square root of 15242974 is about 3904.2251471963. The cubic root of 15242974 is about 247.9456935373.

The spelling of 15242974 in words is "fifteen million, two hundred forty-two thousand, nine hundred seventy-four".