43424734 has 4 divisors (see below), whose sum is σ = 65137104. Its totient is φ = 21712366.

The previous prime is 43424723. The next prime is 43424743. The reversal of 43424734 is 43742434.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 43424696 and 43424705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10856182 + ... + 10856185.

It is an arithmetic number, because the mean of its divisors is an integer number (16284276).

Almost surely, 2^43424734 is an apocalyptic number.

43424734 is a deficient number, since it is larger than the sum of its proper divisors (21712370).

43424734 is a wasteful number, since it uses less digits than its factorization.

43424734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21712369.

The product of its digits is 32256, while the sum is 31.

The square root of 43424734 is about 6589.7446081013. The cubic root of 43424734 is about 351.4895267234.

It can be divided in two parts, 434247 and 34, that added together give a square (434281 = 659²).

The spelling of 43424734 in words is "forty-three million, four hundred twenty-four thousand, seven hundred thirty-four".