44070073 has 4 divisors (see below), whose sum is σ = 44227188. Its totient is φ = 43912960.

The previous prime is 44070049. The next prime is 44070097. The reversal of 44070073 is 37007044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (44070049) and next prime (44070097).

It can be written as a sum of positive squares in 2 ways, for example, as 18939904 + 25130169 = 4352^2 + 5013^2 .

It is a cyclic number.

It is not a de Polignac number, because 44070073 - 2⁹ = 44069561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44070043) 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, 78136 + ... + 78697.

It is an arithmetic number, because the mean of its divisors is an integer number (11056797).

Almost surely, 2^44070073 is an apocalyptic number.

It is an amenable number.

44070073 is a deficient number, since it is larger than the sum of its proper divisors (157115).

44070073 is a wasteful number, since it uses less digits than its factorization.

44070073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157114.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 44070073 is about 6638.5294305290. The cubic root of 44070073 is about 353.2221448134. Note that the first 3 decimals are identical.

The spelling of 44070073 in words is "forty-four million, seventy thousand, seventy-three".