43725715 has 16 divisors (see below), whose sum is σ = 58183776. Its totient is φ = 31276800.

The previous prime is 43725713. The next prime is 43725727. The reversal of 43725715 is 51752734.

It is not a de Polignac number, because 43725715 - 2¹ = 43725713 is a prime.

It is a super-2 number, since 2×43725715² = 3823876304522450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43725713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (3636486).

Almost surely, 2^43725715 is an apocalyptic number.

43725715 is a deficient number, since it is larger than the sum of its proper divisors (14458061).

43725715 is a wasteful number, since it uses less digits than its factorization.

43725715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13110.

The product of its digits is 29400, while the sum is 34.

The square root of 43725715 is about 6612.5422493924. The cubic root of 43725715 is about 352.2997269553.

The spelling of 43725715 in words is "forty-three million, seven hundred twenty-five thousand, seven hundred fifteen".