15730214 has 12 divisors (see below), whose sum is σ = 24903684. Its totient is φ = 7450812.

The previous prime is 15730171. The next prime is 15730249. The reversal of 15730214 is 41203751.

It is a self number, because there is not a number n which added to its sum of digits gives 15730214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10172 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (2075307).

Almost surely, 2^15730214 is an apocalyptic number.

15730214 is a deficient number, since it is larger than the sum of its proper divisors (9173470).

15730214 is a wasteful number, since it uses less digits than its factorization.

15730214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21827 (or 21808 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15730214 is about 3966.1333815191. The cubic root of 15730214 is about 250.5598865057.

Adding to 15730214 its reverse (41203751), we get a palindrome (56933965).

The spelling of 15730214 in words is "fifteen million, seven hundred thirty thousand, two hundred fourteen".