43427655 has 12 divisors (see below), whose sum is σ = 75274680. Its totient is φ = 23161392.

The previous prime is 43427641. The next prime is 43427663. The reversal of 43427655 is 55672434.

It is not a de Polignac number, because 43427655 - 2⁵ = 43427623 is a prime.

It is a super-2 number, since 2×43427655² = 3771922437598050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482485 + ... + 482574.

It is an arithmetic number, because the mean of its divisors is an integer number (6272890).

Almost surely, 2^43427655 is an apocalyptic number.

43427655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43427655 is a deficient number, since it is larger than the sum of its proper divisors (31847025).

43427655 is a wasteful number, since it uses less digits than its factorization.

43427655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965070 (or 965067 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 43427655 is about 6589.9662366358. The cubic root of 43427655 is about 351.4974076229.

The spelling of 43427655 in words is "forty-three million, four hundred twenty-seven thousand, six hundred fifty-five".