447422472 has 48 divisors (see below), whose sum is σ = 1384880640. Its totient is φ = 127834848.

The previous prime is 447422471. The next prime is 447422477. The reversal of 447422472 is 274224744.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (447422471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443368 + ... + 444375.

It is an arithmetic number, because the mean of its divisors is an integer number (28851680).

Almost surely, 2^447422472 is an apocalyptic number.

447422472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

447422472 is an abundant number, since it is smaller than the sum of its proper divisors (937458168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447422472 is a wasteful number, since it uses less digits than its factorization.

447422472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887762 (or 887755 counting only the distinct ones).

The product of its digits is 100352, while the sum is 36.

The square root of 447422472 is about 21152.3632722209. The cubic root of 447422472 is about 764.8435307310.

The spelling of 447422472 in words is "four hundred forty-seven million, four hundred twenty-two thousand, four hundred seventy-two".