43726842 has 12 divisors (see below), whose sum is σ = 94741530. Its totient is φ = 14575608.

The previous prime is 43726831. The next prime is 43726843. The reversal of 43726842 is 24862734.

It can be written as a sum of positive squares in only one way, i.e., 43678881 + 47961 = 6609^2 + 219^2 .

It is a super-2 number, since 2×43726842² = 3824073422585928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43726797 and 43726806.

It is not an unprimeable number, because it can be changed into a prime (43726843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1214617 + ... + 1214652.

Almost surely, 2^43726842 is an apocalyptic number.

43726842 is an abundant number, since it is smaller than the sum of its proper divisors (51014688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43726842 is a wasteful number, since it uses less digits than its factorization.

43726842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429277 (or 2429274 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 43726842 is about 6612.6274656902. The cubic root of 43726842 is about 352.3027536897.

The spelling of 43726842 in words is "forty-three million, seven hundred twenty-six thousand, eight hundred forty-two".