1427447320 has 32 divisors (see below), whose sum is σ = 3458815920. Its totient is φ = 527057280.

The previous prime is 1427447213. The next prime is 1427447327. The reversal of 1427447320 is 237447241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427447327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372026 + ... + 1373065.

Almost surely, 2^1427447320 is an apocalyptic number.

1427447320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427447320 is an abundant number, since it is smaller than the sum of its proper divisors (2031368600).

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

1427447320 is a wasteful number, since it uses less digits than its factorization.

1427447320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745115 (or 2745111 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 1427447320 is about 37781.5738158166. The cubic root of 1427447320 is about 1125.9523971181.

The spelling of 1427447320 in words is "one billion, four hundred twenty-seven million, four hundred forty-seven thousand, three hundred twenty".