44740013 has 4 divisors (see below), whose sum is σ = 44755008. Its totient is φ = 44725020.

The previous prime is 44740009. The next prime is 44740043. The reversal of 44740013 is 31004744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44740013 - 2² = 44740009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44740043) 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, 1331 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (11188752).

Almost surely, 2^44740013 is an apocalyptic number.

It is an amenable number.

44740013 is a deficient number, since it is larger than the sum of its proper divisors (14995).

44740013 is a wasteful number, since it uses less digits than its factorization.

44740013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14994.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 44740013 is about 6688.7975750504. The cubic root of 44740013 is about 355.0030099593.

Adding to 44740013 its reverse (31004744), we get a palindrome (75744757).

The spelling of 44740013 in words is "forty-four million, seven hundred forty thousand, thirteen".