1427374080 has 342 divisors, whose sum is σ = 5438953338. Its totient is φ = 346030080.

The previous prime is 1427374061. The next prime is 1427374087. The reversal of 1427374080 is 804737241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1141899264 + 285474816 = 33792^2 + 16896^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427374087) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 129761275 + ... + 129761285.

Almost surely, 2^1427374080 is an apocalyptic number.

1427374080 is a gapful number since it is divisible by the number (10) 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 1427374080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2719476669).

1427374080 is an abundant number, since it is smaller than the sum of its proper divisors (4011579258).

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

1427374080 is an frugal number, since it uses more digits than its factorization.

1427374080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1427374080 is about 37780.6045478364. The cubic root of 1427374080 is about 1125.9331398601.

The spelling of 1427374080 in words is "one billion, four hundred twenty-seven million, three hundred seventy-four thousand, eighty".