444731072 has 14 divisors (see below), whose sum is σ = 882513348. Its totient is φ = 222365504.

The previous prime is 444731071. The next prime is 444731099. The reversal of 444731072 is 270137444.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (444731071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474398 + ... + 3474525.

Almost surely, 2^444731072 is an apocalyptic number.

It is an amenable number.

444731072 is a deficient number, since it is larger than the sum of its proper divisors (437782276).

444731072 is an equidigital number, since it uses as much as digits as its factorization.

444731072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948935 (or 6948925 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 444731072 is about 21088.6479414874. The cubic root of 444731072 is about 763.3068464374.

The spelling of 444731072 in words is "four hundred forty-four million, seven hundred thirty-one thousand, seventy-two".