43074645 has 8 divisors (see below), whose sum is σ = 68919456. Its totient is φ = 22973136.

The previous prime is 43074589. The next prime is 43074649. The reversal of 43074645 is 54647034.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43074645 - 2⁸ = 43074389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43074649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435807 + ... + 1435836.

It is an arithmetic number, because the mean of its divisors is an integer number (8614932).

Almost surely, 2^43074645 is an apocalyptic number.

It is an amenable number.

43074645 is a deficient number, since it is larger than the sum of its proper divisors (25844811).

43074645 is a wasteful number, since it uses less digits than its factorization.

43074645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871651.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 43074645 is about 6563.1276842676. The cubic root of 43074645 is about 350.5424106683.

The spelling of 43074645 in words is "forty-three million, seventy-four thousand, six hundred forty-five".