44742729 has 4 divisors (see below), whose sum is σ = 59656976. Its totient is φ = 29828484.

The previous prime is 44742713. The next prime is 44742743. The reversal of 44742729 is 92724744.

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 not a de Polignac number, because 44742729 - 2⁴ = 44742713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44742749) 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, 7457119 + ... + 7457124.

It is an arithmetic number, because the mean of its divisors is an integer number (14914244).

Almost surely, 2^44742729 is an apocalyptic number.

It is an amenable number.

44742729 is a deficient number, since it is larger than the sum of its proper divisors (14914247).

44742729 is a wasteful number, since it uses less digits than its factorization.

44742729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14914246.

The product of its digits is 112896, while the sum is 39.

The square root of 44742729 is about 6689.0005979967. Note that the first 3 decimals coincide. The cubic root of 44742729 is about 355.0101934519.

The spelling of 44742729 in words is "forty-four million, seven hundred forty-two thousand, seven hundred twenty-nine".