43623741 has 8 divisors (see below), whose sum is σ = 66474304. Its totient is φ = 24927840.

The previous prime is 43623731. The next prime is 43623761. The reversal of 43623741 is 14732634.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43623741 - 2¹⁸ = 43361597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43623699 and 43623708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43623731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038640 + ... + 1038681.

It is an arithmetic number, because the mean of its divisors is an integer number (8309288).

Almost surely, 2^43623741 is an apocalyptic number.

It is an amenable number.

43623741 is a deficient number, since it is larger than the sum of its proper divisors (22850563).

43623741 is a wasteful number, since it uses less digits than its factorization.

43623741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077331.

The product of its digits is 12096, while the sum is 30.

The square root of 43623741 is about 6604.8270984182. The cubic root of 43623741 is about 352.0256443309.

The spelling of 43623741 in words is "forty-three million, six hundred twenty-three thousand, seven hundred forty-one".