44920749 has 8 divisors (see below), whose sum is σ = 63417600. Its totient is φ = 28185536.

The previous prime is 44920747. The next prime is 44920751. The reversal of 44920749 is 94702944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44920747) and next prime (44920751).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44920749 - 2¹ = 44920747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44920747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440349 + ... + 440450.

It is an arithmetic number, because the mean of its divisors is an integer number (7927200).

Almost surely, 2^44920749 is an apocalyptic number.

It is an amenable number.

44920749 is a deficient number, since it is larger than the sum of its proper divisors (18496851).

44920749 is a wasteful number, since it uses less digits than its factorization.

44920749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880819.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 44920749 is about 6702.2943086677. The cubic root of 44920749 is about 355.4804023055.

The spelling of 44920749 in words is "forty-four million, nine hundred twenty thousand, seven hundred forty-nine".