1447753428 has 72 divisors (see below), whose sum is σ = 4129987680. Its totient is φ = 423581760.

The previous prime is 1447753381. The next prime is 1447753453. The reversal of 1447753428 is 8243577441.

1447753428 is a `hidden beast` number, since 1 + 44 + 77 + 534 + 2 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51550 + ... + 74517.

It is an arithmetic number, because the mean of its divisors is an integer number (57360940).

Almost surely, 2^1447753428 is an apocalyptic number.

1447753428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1447753428 is an abundant number, since it is smaller than the sum of its proper divisors (2682234252).

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

1447753428 is a wasteful number, since it uses less digits than its factorization.

1447753428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126117 (or 126112 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 1447753428 is about 38049.3551587934. The cubic root of 1447753428 is about 1131.2663454879.

The spelling of 1447753428 in words is "one billion, four hundred forty-seven million, seven hundred fifty-three thousand, four hundred twenty-eight".