43674131 has 2 divisors, whose sum is σ = 43674132. Its totient is φ = 43674130.

The previous prime is 43674107. The next prime is 43674149. The reversal of 43674131 is 13147634.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43674131 is a prime.

It is a super-2 number, since 2×43674131² = 3814859437210322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43674094 and 43674103.

It is not a weakly prime, because it can be changed into another prime (43674181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21837065 + 21837066.

It is an arithmetic number, because the mean of its divisors is an integer number (21837066).

Almost surely, 2^43674131 is an apocalyptic number.

43674131 is a deficient number, since it is larger than the sum of its proper divisors (1).

43674131 is an equidigital number, since it uses as much as digits as its factorization.

43674131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 43674131 is about 6608.6406317790. The cubic root of 43674131 is about 352.1611343662.

The spelling of 43674131 in words is "forty-three million, six hundred seventy-four thousand, one hundred thirty-one".