43420377 has 64 divisors (see below), whose sum is σ = 81930240. Its totient is φ = 19699200.

The previous prime is 43420331. The next prime is 43420379. The reversal of 43420377 is 77302434.

43420377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43420377 - 2¹⁶ = 43354841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43420379) 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 63 ways as a sum of consecutive naturals, for example, 56677 + ... + 57437.

It is an arithmetic number, because the mean of its divisors is an integer number (1280160).

Almost surely, 2^43420377 is an apocalyptic number.

It is an amenable number.

43420377 is a deficient number, since it is larger than the sum of its proper divisors (38509863).

43420377 is a wasteful number, since it uses less digits than its factorization.

43420377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 43420377 is about 6589.4140103654. The cubic root of 43420377 is about 351.4777708188.

The spelling of 43420377 in words is "forty-three million, four hundred twenty thousand, three hundred seventy-seven".