44470739 has 4 divisors (see below), whose sum is σ = 44534880. Its totient is φ = 44406600.

The previous prime is 44470693. The next prime is 44470747. The reversal of 44470739 is 93707444.

It is a happy number.

44470739 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44470739 is a prime.

It is a super-2 number, since 2×44470739² = 3955293254412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44472739) 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, 31019 + ... + 32420.

It is an arithmetic number, because the mean of its divisors is an integer number (11133720).

Almost surely, 2^44470739 is an apocalyptic number.

44470739 is a deficient number, since it is larger than the sum of its proper divisors (64141).

44470739 is an equidigital number, since it uses as much as digits as its factorization.

44470739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64140.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 44470739 is about 6668.6384667337. The cubic root of 44470739 is about 354.2893646262.

The spelling of 44470739 in words is "forty-four million, four hundred seventy thousand, seven hundred thirty-nine".