1427334732 has 72 divisors (see below), whose sum is σ = 3720762864. Its totient is φ = 461126016.

The previous prime is 1427334721. The next prime is 1427334737. The reversal of 1427334732 is 2374337241.

1427334732 is a `hidden beast` number, since 14 + 273 + 347 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1427334737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153858 + ... + 162870.

It is an arithmetic number, because the mean of its divisors is an integer number (51677262).

Almost surely, 2^1427334732 is an apocalyptic number.

1427334732 is a gapful number since it is divisible by the number (12) 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 1427334732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860381432).

1427334732 is an abundant number, since it is smaller than the sum of its proper divisors (2293428132).

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

1427334732 is a wasteful number, since it uses less digits than its factorization.

1427334732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159 (or 9154 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 1427334732 is about 37780.0838008599. The cubic root of 1427334732 is about 1125.9227936761.

The spelling of 1427334732 in words is "one billion, four hundred twenty-seven million, three hundred thirty-four thousand, seven hundred thirty-two".