1420768562 has 8 divisors (see below), whose sum is σ = 2171363436. Its totient is φ = 696980752.

The previous prime is 1420768561. The next prime is 1420768597. The reversal of 1420768562 is 2658670241.

It can be written as a sum of positive squares in 2 ways, for example, as 1324159321 + 96609241 = 36389^2 + 9829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1420768561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6701633 + ... + 6701844.

Almost surely, 2^1420768562 is an apocalyptic number.

1420768562 is a deficient number, since it is larger than the sum of its proper divisors (750594874).

1420768562 is a wasteful number, since it uses less digits than its factorization.

1420768562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13403532.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1420768562 is about 37693.0837422464. The cubic root of 1420768562 is about 1124.1936112955.

The spelling of 1420768562 in words is "one billion, four hundred twenty million, seven hundred sixty-eight thousand, five hundred sixty-two".