43140734 has 32 divisors (see below), whose sum is σ = 80015040. Its totient is φ = 16987392.

The previous prime is 43140707. The next prime is 43140743. The reversal of 43140734 is 43704134.

43140734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43140734² = 3722245860117512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 52922 + ... + 53730.

It is an arithmetic number, because the mean of its divisors is an integer number (2500470).

Almost surely, 2^43140734 is an apocalyptic number.

43140734 is a deficient number, since it is larger than the sum of its proper divisors (36874306).

43140734 is a wasteful number, since it uses less digits than its factorization.

43140734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 43140734 is about 6568.1606253197. The cubic root of 43140734 is about 350.7215969713.

Adding to 43140734 its reverse (43704134), we get a palindrome (86844868).

The spelling of 43140734 in words is "forty-three million, one hundred forty thousand, seven hundred thirty-four".