1447270730 has 8 divisors (see below), whose sum is σ = 2605087332. Its totient is φ = 578908288.

The previous prime is 1447270709. The next prime is 1447270753. The reversal of 1447270730 is 370727441.

It is a happy number.

1447270730 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1318924489 + 128346241 = 36317^2 + 11329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72363527 + ... + 72363546.

Almost surely, 2^1447270730 is an apocalyptic number.

1447270730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1447270730 is a deficient number, since it is larger than the sum of its proper divisors (1157816602).

1447270730 is a wasteful number, since it uses less digits than its factorization.

1447270730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144727080.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 1447270730 is about 38043.0115790009. The cubic root of 1447270730 is about 1131.1406056829.

The spelling of 1447270730 in words is "one billion, four hundred forty-seven million, two hundred seventy thousand, seven hundred thirty".