43042672 has 10 divisors (see below), whose sum is σ = 83395208. Its totient is φ = 21521328.

The previous prime is 43042631. The next prime is 43042679. The reversal of 43042672 is 27624034.

It is a super-2 number, since 2×43042672² = 3705343225799168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43042672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042679) 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 as a sum of consecutive naturals, namely, 1345068 + ... + 1345099.

Almost surely, 2^43042672 is an apocalyptic number.

It is an amenable number.

43042672 is a deficient number, since it is larger than the sum of its proper divisors (40352536).

43042672 is a wasteful number, since it uses less digits than its factorization.

43042672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690175 (or 2690169 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 43042672 is about 6560.6914269763. The cubic root of 43042672 is about 350.4556568736.

The spelling of 43042672 in words is "forty-three million, forty-two thousand, six hundred seventy-two".