420070735 has 32 divisors (see below), whose sum is σ = 603187200. Its totient is φ = 274589568.

The previous prime is 420070733. The next prime is 420070747. The reversal of 420070735 is 537070024.

It is a cyclic number.

It is not a de Polignac number, because 420070735 - 2¹ = 420070733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420070733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299566 + ... + 300964.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^420070735 is an apocalyptic number.

420070735 is a deficient number, since it is larger than the sum of its proper divisors (183116465).

420070735 is a wasteful number, since it uses less digits than its factorization.

420070735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 420070735 is about 20495.6272165552. The cubic root of 420070735 is about 748.9292780594.

The spelling of 420070735 in words is "four hundred twenty million, seventy thousand, seven hundred thirty-five".