420079570 has 8 divisors (see below), whose sum is σ = 756143244. Its totient is φ = 168031824.

The previous prime is 420079559. The next prime is 420079573. The reversal of 420079570 is 75970024.

It can be written as a sum of positive squares in 2 ways, for example, as 408403681 + 11675889 = 20209^2 + 3417^2 .

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 (420079573) 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, 21003969 + ... + 21003988.

Almost surely, 2^420079570 is an apocalyptic number.

420079570 is a deficient number, since it is larger than the sum of its proper divisors (336063674).

420079570 is a wasteful number, since it uses less digits than its factorization.

420079570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42007964.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 420079570 is about 20495.8427492016. The cubic root of 420079570 is about 748.9345285591.

The spelling of 420079570 in words is "four hundred twenty million, seventy-nine thousand, five hundred seventy".