1447730656 has 24 divisors (see below), whose sum is σ = 2852032680. Its totient is φ = 723404928.

The previous prime is 1447730639. The next prime is 1447730657. The reversal of 1447730656 is 6560377441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447730657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39855 + ... + 66961.

It is an arithmetic number, because the mean of its divisors is an integer number (118834695).

Almost surely, 2^1447730656 is an apocalyptic number.

1447730656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1447730656 is a deficient number, since it is larger than the sum of its proper divisors (1404302024).

1447730656 is a wasteful number, since it uses less digits than its factorization.

1447730656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28786 (or 28778 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 1447730656 is about 38049.0559147004. The cubic root of 1447730656 is about 1131.2604141528.

The spelling of 1447730656 in words is "one billion, four hundred forty-seven million, seven hundred thirty thousand, six hundred fifty-six".