1420722075 has 36 divisors (see below), whose sum is σ = 2455563320. Its totient is φ = 724753920.

The previous prime is 1420722071. The next prime is 1420722089. The reversal of 1420722075 is 5702270241.

It is not a de Polignac number, because 1420722075 - 2² = 1420722071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420722071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21771 + ... + 57579.

Almost surely, 2^1420722075 is an apocalyptic number.

1420722075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420722075 is a deficient number, since it is larger than the sum of its proper divisors (1034841245).

1420722075 is a wasteful number, since it uses less digits than its factorization.

1420722075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35868 (or 35840 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 1420722075 is about 37692.4670856127. The cubic root of 1420722075 is about 1124.1813501012.

The spelling of 1420722075 in words is "one billion, four hundred twenty million, seven hundred twenty-two thousand, seventy-five".