43074390 has 32 divisors (see below), whose sum is σ = 105785856. Its totient is φ = 11219040.

The previous prime is 43074389. The next prime is 43074397. The reversal of 43074390 is 9347034.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43074397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15406 + ... + 17985.

It is an arithmetic number, because the mean of its divisors is an integer number (3305808).

Almost surely, 2^43074390 is an apocalyptic number.

43074390 is an abundant number, since it is smaller than the sum of its proper divisors (62711466).

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

43074390 is a wasteful number, since it uses less digits than its factorization.

43074390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33444.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 43074390 is about 6563.1082575255. The cubic root of 43074390 is about 350.5417189351.

The spelling of 43074390 in words is "forty-three million, seventy-four thousand, three hundred ninety".