44991007 has 4 divisors (see below), whose sum is σ = 45098296. Its totient is φ = 44883720.

The previous prime is 44990999. The next prime is 44991017. The reversal of 44991007 is 70019944.

44991007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44991007 - 2³ = 44990999 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 (44991017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53013 + ... + 53854.

It is an arithmetic number, because the mean of its divisors is an integer number (11274574).

Almost surely, 2^44991007 is an apocalyptic number.

44991007 is a deficient number, since it is larger than the sum of its proper divisors (107289).

44991007 is a wasteful number, since it uses less digits than its factorization.

44991007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107288.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 44991007 is about 6707.5336003631. The cubic root of 44991007 is about 355.6656346916.

The spelling of 44991007 in words is "forty-four million, nine hundred ninety-one thousand, seven".