447430870 has 32 divisors (see below), whose sum is σ = 820938240. Its totient is φ = 175541760.

The previous prime is 447430861. The next prime is 447430883. The reversal of 447430870 is 78034744.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137826 + ... + 141034.

It is an arithmetic number, because the mean of its divisors is an integer number (25654320).

Almost surely, 2^447430870 is an apocalyptic number.

447430870 is a deficient number, since it is larger than the sum of its proper divisors (373507370).

447430870 is a wasteful number, since it uses less digits than its factorization.

447430870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 447430870 is about 21152.5617833869. The cubic root of 447430870 is about 764.8483160038.

It can be divided in two parts, 4474 and 30870, that added together give a square (35344 = 188²).

The spelling of 447430870 in words is "four hundred forty-seven million, four hundred thirty thousand, eight hundred seventy".