43485740 has 12 divisors (see below), whose sum is σ = 91320096. Its totient is φ = 17394288.

The previous prime is 43485731. The next prime is 43485751. The reversal of 43485740 is 4758434.

It is a self number, because there is not a number n which added to its sum of digits gives 43485740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087124 + ... + 1087163.

It is an arithmetic number, because the mean of its divisors is an integer number (7610008).

Almost surely, 2^43485740 is an apocalyptic number.

It is an amenable number.

43485740 is an abundant number, since it is smaller than the sum of its proper divisors (47834356).

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

43485740 is a wasteful number, since it uses less digits than its factorization.

43485740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174296 (or 2174294 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 43485740 is about 6594.3718427156. The cubic root of 43485740 is about 351.6540484480.

The spelling of 43485740 in words is "forty-three million, four hundred eighty-five thousand, seven hundred forty".