447428750 has 40 divisors (see below), whose sum is σ = 842467824. Its totient is φ = 178160000.

The previous prime is 447428743. The next prime is 447428789. The reversal of 447428750 is 57824744.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 447428698 and 447428707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 328070 + ... + 329430.

Almost surely, 2^447428750 is an apocalyptic number.

447428750 is a deficient number, since it is larger than the sum of its proper divisors (395039074).

447428750 is a wasteful number, since it uses less digits than its factorization.

447428750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 447428750 is about 21152.5116711940. The cubic root of 447428750 is about 764.8471080102.

The spelling of 447428750 in words is "four hundred forty-seven million, four hundred twenty-eight thousand, seven hundred fifty".