43274157 has 16 divisors (see below), whose sum is σ = 58605120. Its totient is φ = 28400000.

The previous prime is 43274137. The next prime is 43274159. The reversal of 43274157 is 75147234.

It is a cyclic number.

It is not a de Polignac number, because 43274157 - 2⁷ = 43274029 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43274159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75769 + ... + 76337.

It is an arithmetic number, because the mean of its divisors is an integer number (3662820).

Almost surely, 2^43274157 is an apocalyptic number.

It is an amenable number.

43274157 is a deficient number, since it is larger than the sum of its proper divisors (15330963).

43274157 is a wasteful number, since it uses less digits than its factorization.

43274157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 23520, while the sum is 33.

The square root of 43274157 is about 6578.3095852962. The cubic root of 43274157 is about 351.0827882411.

The spelling of 43274157 in words is "forty-three million, two hundred seventy-four thousand, one hundred fifty-seven".