43734087 has 20 divisors (see below), whose sum is σ = 67442496. Its totient is φ = 28213920.

The previous prime is 43734079. The next prime is 43734113. The reversal of 43734087 is 78043734.

43734087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43734087 - 2³ = 43734079 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43734287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6198 + ... + 11219.

Almost surely, 2^43734087 is an apocalyptic number.

43734087 is a deficient number, since it is larger than the sum of its proper divisors (23708409).

43734087 is a wasteful number, since it uses less digits than its factorization.

43734087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17460 (or 17451 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 43734087 is about 6613.1752585275. The cubic root of 43734087 is about 352.3222100265.

The spelling of 43734087 in words is "forty-three million, seven hundred thirty-four thousand, eighty-seven".