43725377 has 4 divisors (see below), whose sum is σ = 46297476. Its totient is φ = 41153280.

The previous prime is 43725373. The next prime is 43725397. The reversal of 43725377 is 77352734.

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 14737921 + 28987456 = 3839^2 + 5384^2 .

It is a cyclic number.

It is not a de Polignac number, because 43725377 - 2² = 43725373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43725377.

It is not an unprimeable number, because it can be changed into a prime (43725373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286024 + ... + 1286057.

It is an arithmetic number, because the mean of its divisors is an integer number (11574369).

Almost surely, 2^43725377 is an apocalyptic number.

It is an amenable number.

43725377 is a deficient number, since it is larger than the sum of its proper divisors (2572099).

43725377 is a wasteful number, since it uses less digits than its factorization.

43725377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572098.

The product of its digits is 123480, while the sum is 38.

The square root of 43725377 is about 6612.5166918504. The cubic root of 43725377 is about 352.2988191934.

The spelling of 43725377 in words is "forty-three million, seven hundred twenty-five thousand, three hundred seventy-seven".