43479747 has 30 divisors (see below), whose sum is σ = 66635668. Its totient is φ = 28369764.

The previous prime is 43479739. The next prime is 43479757. The reversal of 43479747 is 74797434.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 43479747 - 2³ = 43479739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43479707) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 925078 + ... + 925124.

Almost surely, 2^43479747 is an apocalyptic number.

43479747 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

43479747 is a deficient number, since it is larger than the sum of its proper divisors (23155921).

43479747 is an frugal number, since it uses more digits than its factorization.

43479747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 50 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 43479747 is about 6593.9174244147. The cubic root of 43479747 is about 351.6378932706.

The spelling of 43479747 in words is "forty-three million, four hundred seventy-nine thousand, seven hundred forty-seven".