43421677 has 12 divisors (see below), whose sum is σ = 49067424. Its totient is φ = 38335440.

The previous prime is 43421659. The next prime is 43421687. The reversal of 43421677 is 77612434.

It is not a de Polignac number, because 43421677 - 2⁷ = 43421549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43421627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1699 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (4088952).

Almost surely, 2^43421677 is an apocalyptic number.

It is an amenable number.

43421677 is a deficient number, since it is larger than the sum of its proper divisors (5645747).

43421677 is a wasteful number, since it uses less digits than its factorization.

43421677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220 (or 11207 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 43421677 is about 6589.5126526929. The cubic root of 43421677 is about 351.4812785155.

The spelling of 43421677 in words is "forty-three million, four hundred twenty-one thousand, six hundred seventy-seven".