420758630 has 16 divisors (see below), whose sum is σ = 760765824. Its totient is φ = 167547840.

The previous prime is 420758609. The next prime is 420758633. The reversal of 420758630 is 36857024.

It is a happy number.

420758630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420758633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92111 + ... + 96570.

It is an arithmetic number, because the mean of its divisors is an integer number (47547864).

Almost surely, 2^420758630 is an apocalyptic number.

420758630 is a deficient number, since it is larger than the sum of its proper divisors (340007194).

420758630 is a wasteful number, since it uses less digits than its factorization.

420758630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188911.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 420758630 is about 20512.4018583880. The cubic root of 420758630 is about 749.3378630122.

It can be divided in two parts, 42075 and 8630, that added together give a palindrome (50705).

The spelling of 420758630 in words is "four hundred twenty million, seven hundred fifty-eight thousand, six hundred thirty".