43740774 has 144 divisors (see below), whose sum is σ = 126147840. Its totient is φ = 10692000.

The previous prime is 43740731. The next prime is 43740791. The reversal of 43740774 is 47704734.

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 an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 289599 + ... + 289749.

Almost surely, 2^43740774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43740774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63073920).

43740774 is an abundant number, since it is smaller than the sum of its proper divisors (82407066).

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

43740774 is a wasteful number, since it uses less digits than its factorization.

43740774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 43740774 is about 6613.6808208440. The cubic root of 43740774 is about 352.3401659560.

The spelling of 43740774 in words is "forty-three million, seven hundred forty thousand, seven hundred seventy-four".