1420704634 has 8 divisors (see below), whose sum is σ = 2131582068. Its totient is φ = 710177280.

The previous prime is 1420704617. The next prime is 1420704661. The reversal of 1420704634 is 4364070241.

It can be written as a sum of positive squares in 2 ways, for example, as 1350195025 + 70509609 = 36745^2 + 8397^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1420704596 and 1420704605.

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, 77127 + ... + 93754.

Almost surely, 2^1420704634 is an apocalyptic number.

1420704634 is a deficient number, since it is larger than the sum of its proper divisors (710877434).

1420704634 is a wasteful number, since it uses less digits than its factorization.

1420704634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175040.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 1420704634 is about 37692.2357256770. The cubic root of 1420704634 is about 1124.1767498753.

Adding to 1420704634 its reverse (4364070241), we get a palindrome (5784774875).

The spelling of 1420704634 in words is "one billion, four hundred twenty million, seven hundred four thousand, six hundred thirty-four".