43113870 has 160 divisors (see below), whose sum is σ = 127961856. Its totient is φ = 10368000.

The previous prime is 43113859. The next prime is 43113871. The reversal of 43113870 is 7831134.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43113871) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 426820 + ... + 426920.

Almost surely, 2^43113870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43113870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63980928).

43113870 is an abundant number, since it is smaller than the sum of its proper divisors (84847986).

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

43113870 is a wasteful number, since it uses less digits than its factorization.

43113870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 43113870 is about 6566.1152898803. The cubic root of 43113870 is about 350.6487830246.

The spelling of 43113870 in words is "forty-three million, one hundred thirteen thousand, eight hundred seventy".