15072830 has 32 divisors (see below), whose sum is σ = 28153440. Its totient is φ = 5806080.

The previous prime is 15072823. The next prime is 15072839. The reversal of 15072830 is 3827051.

It is a self number, because there is not a number n which added to its sum of digits gives 15072830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15072839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39581 + ... + 39959.

It is an arithmetic number, because the mean of its divisors is an integer number (879795).

Almost surely, 2^15072830 is an apocalyptic number.

15072830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15072830 is a deficient number, since it is larger than the sum of its proper divisors (13080610).

15072830 is a wasteful number, since it uses less digits than its factorization.

15072830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 15072830 is about 3882.3742735599. The cubic root of 15072830 is about 247.0197059027.

Adding to 15072830 its reverse (3827051), we get a palindrome (18899881).

The spelling of 15072830 in words is "fifteen million, seventy-two thousand, eight hundred thirty".