1427788746 has 24 divisors (see below), whose sum is σ = 3095672580. Its totient is φ = 475601856.

The previous prime is 1427788723. The next prime is 1427788759. The reversal of 1427788746 is 6478877241.

It can be written as a sum of positive squares in 2 ways, for example, as 1180953225 + 246835521 = 34365^2 + 15711^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1427788692 and 1427788701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310 + ... + 53438.

Almost surely, 2^1427788746 is an apocalyptic number.

1427788746 is an abundant number, since it is smaller than the sum of its proper divisors (1667883834).

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

1427788746 is a wasteful number, since it uses less digits than its factorization.

1427788746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54630 (or 54627 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The square root of 1427788746 is about 37786.0919651662. The cubic root of 1427788746 is about 1126.0421607990.

The spelling of 1427788746 in words is "one billion, four hundred twenty-seven million, seven hundred eighty-eight thousand, seven hundred forty-six".