420081704 has 64 divisors (see below), whose sum is σ = 950400000. Its totient is φ = 173793984.

The previous prime is 420081671. The next prime is 420081709. The reversal of 420081704 is 407180024.

It is not an unprimeable number, because it can be changed into a prime (420081709) 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 15 ways as a sum of consecutive naturals, for example, 76937 + ... + 82215.

It is an arithmetic number, because the mean of its divisors is an integer number (14850000).

Almost surely, 2^420081704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420081704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475200000).

420081704 is an abundant number, since it is smaller than the sum of its proper divisors (530318296).

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

420081704 is a wasteful number, since it uses less digits than its factorization.

420081704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335 (or 5317 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 420081704 is about 20495.8948084732. The cubic root of 420081704 is about 748.9357967502.

The spelling of 420081704 in words is "four hundred twenty million, eighty-one thousand, seven hundred four".