420712698 has 64 divisors (see below), whose sum is σ = 997060608. Its totient is φ = 115853760.

The previous prime is 420712697. The next prime is 420712703. The reversal of 420712698 is 896217024.

It is not an unprimeable number, because it can be changed into a prime (420712693) 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, 130668 + ... + 133848.

It is an arithmetic number, because the mean of its divisors is an integer number (15579072).

Almost surely, 2^420712698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420712698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498530304).

420712698 is an abundant number, since it is smaller than the sum of its proper divisors (576347910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420712698 is a wasteful number, since it uses less digits than its factorization.

420712698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 420712698 is about 20511.2822124800. The cubic root of 420712698 is about 749.3105949328.

The spelling of 420712698 in words is "four hundred twenty million, seven hundred twelve thousand, six hundred ninety-eight".