43402075 has 12 divisors (see below), whose sum is σ = 54056808. Its totient is φ = 34568000.

The previous prime is 43402031. The next prime is 43402091. The reversal of 43402075 is 57020434.

43402075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43402075 - 2⁹ = 43401563 is a prime.

It is a super-2 number, since 2×43402075² = 3767480228611250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2100 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (4504734).

Almost surely, 2^43402075 is an apocalyptic number.

43402075 is a deficient number, since it is larger than the sum of its proper divisors (10654733).

43402075 is a wasteful number, since it uses less digits than its factorization.

43402075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694 (or 7689 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 43402075 is about 6588.0251213850. The cubic root of 43402075 is about 351.4283804125.

The spelling of 43402075 in words is "forty-three million, four hundred two thousand, seventy-five".