43574708387 has 12 divisors (see below), whose sum is σ = 50692614840. Its totient is φ = 37347047136.

The previous prime is 43574708323. The next prime is 43574708407. The reversal of 43574708387 is 78380747534.

It is not a de Polignac number, because 43574708387 - 2⁶ = 43574708323 is a prime.

It is a super-2 number, since 2×43574708387² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (43574708687) 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 11 ways as a sum of consecutive naturals, for example, 962228 + ... + 1006494.

It is an arithmetic number, because the mean of its divisors is an integer number (4224384570).

Almost surely, 2^43574708387 is an apocalyptic number.

43574708387 is a deficient number, since it is larger than the sum of its proper divisors (7117906453).

43574708387 is a wasteful number, since it uses less digits than its factorization.

43574708387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64370 (or 64363 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 43574708387 in words is "forty-three billion, five hundred seventy-four million, seven hundred eight thousand, three hundred eighty-seven".