15730455 has 16 divisors (see below), whose sum is σ = 27105120. Its totient is φ = 7744128.

The previous prime is 15730433. The next prime is 15730471. The reversal of 15730455 is 55403751.

It is not a de Polignac number, because 15730455 - 2⁹ = 15729943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40140 + ... + 40529.

It is an arithmetic number, because the mean of its divisors is an integer number (1694070).

Almost surely, 2^15730455 is an apocalyptic number.

15730455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15730455 is a deficient number, since it is larger than the sum of its proper divisors (11374665).

15730455 is a wasteful number, since it uses less digits than its factorization.

15730455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80690.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 15730455 is about 3966.1637636386. The cubic root of 15730455 is about 250.5611660946.

The spelling of 15730455 in words is "fifteen million, seven hundred thirty thousand, four hundred fifty-five".