44742744 has 24 divisors (see below), whose sum is σ = 121178460. Its totient is φ = 14914224.

The previous prime is 44742743. The next prime is 44742749. The reversal of 44742744 is 44724744.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44742699 and 44742708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44742743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310642 + ... + 310785.

Almost surely, 2^44742744 is an apocalyptic number.

It is an amenable number.

44742744 is an abundant number, since it is smaller than the sum of its proper divisors (76435716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44742744 is a wasteful number, since it uses less digits than its factorization.

44742744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621439 (or 621432 counting only the distinct ones).

The product of its digits is 100352, while the sum is 36.

The square root of 44742744 is about 6689.0017192403. The cubic root of 44742744 is about 355.0102331243.

The spelling of 44742744 in words is "forty-four million, seven hundred forty-two thousand, seven hundred forty-four".