43427475 has 144 divisors (see below), whose sum is σ = 100931040. Its totient is φ = 18144000.

The previous prime is 43427467. The next prime is 43427491. The reversal of 43427475 is 57472434.

43427475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43427475 - 2³ = 43427467 is a prime.

Its product of digits (94080) is a multiple of the sum of its prime factors (147).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 429925 + ... + 430025.

It is an arithmetic number, because the mean of its divisors is an integer number (700910).

Almost surely, 2^43427475 is an apocalyptic number.

43427475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43427475 is an abundant number, since it is smaller than the sum of its proper divisors (57503565).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43427475 is a wasteful number, since it uses less digits than its factorization.

43427475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 129 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 43427475 is about 6589.9525794955. The cubic root of 43427475 is about 351.4969219905.

Subtracting from 43427475 its product of digits (94080), we obtain a triangular number (43333395 = T₉₃₀₉).

The spelling of 43427475 in words is "forty-three million, four hundred twenty-seven thousand, four hundred seventy-five".