43256073 has 32 divisors (see below), whose sum is σ = 67993600. Its totient is φ = 24449040.

The previous prime is 43256053. The next prime is 43256089. The reversal of 43256073 is 37065234.

It is not a de Polignac number, because 43256073 - 2⁶ = 43256009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43256073.

It is not an unprimeable number, because it can be changed into a prime (43256053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130518 + ... + 130848.

It is an arithmetic number, because the mean of its divisors is an integer number (2124800).

Almost surely, 2^43256073 is an apocalyptic number.

It is an amenable number.

43256073 is a deficient number, since it is larger than the sum of its proper divisors (24737527).

43256073 is a wasteful number, since it uses less digits than its factorization.

43256073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 43256073 is about 6576.9349244158. The cubic root of 43256073 is about 351.0338763255.

The spelling of 43256073 in words is "forty-three million, two hundred fifty-six thousand, seventy-three".