43574140 has 12 divisors (see below), whose sum is σ = 91505736. Its totient is φ = 17429648.

The previous prime is 43574131. The next prime is 43574143. The reversal of 43574140 is 4147534.

It is a junction number, because it is equal to n+sod(n) for n = 43574099 and 43574108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43574143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089334 + ... + 1089373.

It is an arithmetic number, because the mean of its divisors is an integer number (7625478).

Almost surely, 2^43574140 is an apocalyptic number.

It is an amenable number.

43574140 is an abundant number, since it is smaller than the sum of its proper divisors (47931596).

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

43574140 is a wasteful number, since it uses less digits than its factorization.

43574140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178716 (or 2178714 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 43574140 is about 6601.0711252038. The cubic root of 43574140 is about 351.8921738434.

The spelling of 43574140 in words is "forty-three million, five hundred seventy-four thousand, one hundred forty".