44544749 has 4 divisors (see below), whose sum is σ = 45209664. Its totient is φ = 43879836.

The previous prime is 44544739. The next prime is 44544763. The reversal of 44544749 is 94744544.

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 44544749 - 2⁴ = 44544733 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 (44544739) 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, 332357 + ... + 332490.

It is an arithmetic number, because the mean of its divisors is an integer number (11302416).

Almost surely, 2^44544749 is an apocalyptic number.

It is an amenable number.

44544749 is a deficient number, since it is larger than the sum of its proper divisors (664915).

44544749 is an equidigital number, since it uses as much as digits as its factorization.

44544749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664914.

The product of its digits is 322560, while the sum is 41.

The square root of 44544749 is about 6674.1852686302. The cubic root of 44544749 is about 354.4857965866.

The spelling of 44544749 in words is "forty-four million, five hundred forty-four thousand, seven hundred forty-nine".