445699073 has 16 divisors (see below), whose sum is σ = 462274560. Its totient is φ = 429483600.

The previous prime is 445699043. The next prime is 445699087. The reversal of 445699073 is 370996544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 445699073 - 2¹⁰ = 445698049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445699043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175798 + ... + 1176176.

It is an arithmetic number, because the mean of its divisors is an integer number (28892160).

Almost surely, 2^445699073 is an apocalyptic number.

It is an amenable number.

445699073 is a deficient number, since it is larger than the sum of its proper divisors (16575487).

445699073 is a wasteful number, since it uses less digits than its factorization.

445699073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 445699073 is about 21111.5862265250. The cubic root of 445699073 is about 763.8602493075.

The spelling of 445699073 in words is "four hundred forty-five million, six hundred ninety-nine thousand, seventy-three".