1427534380 has 12 divisors (see below), whose sum is σ = 2997822240. Its totient is φ = 571013744.

The previous prime is 1427534377. The next prime is 1427534447. The reversal of 1427534380 is 834357241.

It is a happy number.

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, 35688340 + ... + 35688379.

It is an arithmetic number, because the mean of its divisors is an integer number (249818520).

Almost surely, 2^1427534380 is an apocalyptic number.

1427534380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427534380 is an abundant number, since it is smaller than the sum of its proper divisors (1570287860).

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

1427534380 is a wasteful number, since it uses less digits than its factorization.

1427534380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71376728 (or 71376726 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1427534380 is about 37782.7259471839. The cubic root of 1427534380 is about 1125.9752872618.

The spelling of 1427534380 in words is "one billion, four hundred twenty-seven million, five hundred thirty-four thousand, three hundred eighty".