43974625 has 8 divisors (see below), whose sum is σ = 54880488. Its totient is φ = 35179600.

The previous prime is 43974613. The next prime is 43974661. The reversal of 43974625 is 52647934.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11621281 + 32353344 = 3409^2 + 5688^2 .

It is not a de Polignac number, because 43974625 - 2¹⁵ = 43941857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175774 + ... + 176023.

It is an arithmetic number, because the mean of its divisors is an integer number (6860061).

Almost surely, 2^43974625 is an apocalyptic number.

It is an amenable number.

43974625 is a deficient number, since it is larger than the sum of its proper divisors (10905863).

43974625 is an equidigital number, since it uses as much as digits as its factorization.

43974625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351812 (or 351802 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 43974625 is about 6631.3365922716. The cubic root of 43974625 is about 352.9669548846.

The spelling of 43974625 in words is "forty-three million, nine hundred seventy-four thousand, six hundred twenty-five".