44070869 has 4 divisors (see below), whose sum is σ = 44155980. Its totient is φ = 43985760.

The previous prime is 44070863. The next prime is 44070881. The reversal of 44070869 is 96807044.

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 25623844 + 18447025 = 5062^2 + 4295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44070869 is a prime.

It is a super-2 number, since 2×44070869² = 3884482988830322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44070863) 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, 41774 + ... + 42815.

It is an arithmetic number, because the mean of its divisors is an integer number (11038995).

Almost surely, 2^44070869 is an apocalyptic number.

It is an amenable number.

44070869 is a deficient number, since it is larger than the sum of its proper divisors (85111).

44070869 is an equidigital number, since it uses as much as digits as its factorization.

44070869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85110.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 44070869 is about 6638.5893832952. The cubic root of 44070869 is about 353.2242714504.

The spelling of 44070869 in words is "forty-four million, seventy thousand, eight hundred sixty-nine".