444672007 has 4 divisors (see below), whose sum is σ = 478877560. Its totient is φ = 410466456.

The previous prime is 444671999. The next prime is 444672013. The reversal of 444672007 is 700276444.

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 444672007 - 2³ = 444671999 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 (444672017) 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, 17102757 + ... + 17102782.

It is an arithmetic number, because the mean of its divisors is an integer number (119719390).

Almost surely, 2^444672007 is an apocalyptic number.

444672007 is a deficient number, since it is larger than the sum of its proper divisors (34205553).

444672007 is a wasteful number, since it uses less digits than its factorization.

444672007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34205552.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 444672007 is about 21087.2474970063. The cubic root of 444672007 is about 763.2730531949.

The spelling of 444672007 in words is "four hundred forty-four million, six hundred seventy-two thousand, seven".