43974061 has 4 divisors (see below), whose sum is σ = 44084124. Its totient is φ = 43864000.

The previous prime is 43974059. The next prime is 43974067. The reversal of 43974061 is 16047934.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43692100 + 281961 = 6610^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 43974061 - 2¹ = 43974059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43974067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54430 + ... + 55231.

It is an arithmetic number, because the mean of its divisors is an integer number (11021031).

Almost surely, 2^43974061 is an apocalyptic number.

It is an amenable number.

43974061 is a deficient number, since it is larger than the sum of its proper divisors (110063).

43974061 is a wasteful number, since it uses less digits than its factorization.

43974061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110062.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 43974061 is about 6631.2940667716. The cubic root of 43974061 is about 352.9654458763.

The spelling of 43974061 in words is "forty-three million, nine hundred seventy-four thousand, sixty-one".