1447474920 has 64 divisors (see below), whose sum is σ = 4360530240. Its totient is φ = 384384000.

The previous prime is 1447474913. The next prime is 1447474949. The reversal of 1447474920 is 294747441.

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, 3895 + ... + 53945.

It is an arithmetic number, because the mean of its divisors is an integer number (68133285).

Almost surely, 2^1447474920 is an apocalyptic number.

1447474920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447474920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180265120).

1447474920 is an abundant number, since it is smaller than the sum of its proper divisors (2913055320).

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

1447474920 is a wasteful number, since it uses less digits than its factorization.

1447474920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50306 (or 50302 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 1447474920 is about 38045.6951572711. The cubic root of 1447474920 is about 1131.1937993101.

The spelling of 1447474920 in words is "one billion, four hundred forty-seven million, four hundred seventy-four thousand, nine hundred twenty".