43974901 has 4 divisors (see below), whose sum is σ = 44051692. Its totient is φ = 43898112.

The previous prime is 43974877. The next prime is 43974943. The reversal of 43974901 is 10947934.

43974901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38452401 + 5522500 = 6201^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 43974901 - 2²⁵ = 10420469 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 (43974001) 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 3 ways as a sum of consecutive naturals, for example, 37530 + ... + 38683.

It is an arithmetic number, because the mean of its divisors is an integer number (11012923).

Almost surely, 2^43974901 is an apocalyptic number.

It is an amenable number.

43974901 is a deficient number, since it is larger than the sum of its proper divisors (76791).

43974901 is an equidigital number, since it uses as much as digits as its factorization.

43974901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76790.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 43974901 is about 6631.3574025233. The cubic root of 43974901 is about 352.9676933307.

The spelling of 43974901 in words is "forty-three million, nine hundred seventy-four thousand, nine hundred one".