445894073 has 4 divisors (see below), whose sum is σ = 447328128. Its totient is φ = 444460020.

The previous prime is 445894063. The next prime is 445894081. The reversal of 445894073 is 370498544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445894073 - 2⁸ = 445893817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445894063) 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 3 ways as a sum of consecutive naturals, for example, 716561 + ... + 717182.

It is an arithmetic number, because the mean of its divisors is an integer number (111832032).

Almost surely, 2^445894073 is an apocalyptic number.

It is an amenable number.

445894073 is a deficient number, since it is larger than the sum of its proper divisors (1434055).

445894073 is a wasteful number, since it uses less digits than its factorization.

445894073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434054.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 445894073 is about 21116.2040386050. The cubic root of 445894073 is about 763.9716331536.

The spelling of 445894073 in words is "four hundred forty-five million, eight hundred ninety-four thousand, seventy-three".