305702064 has 60 divisors (see below), whose sum is σ = 863158296. Its totient is φ = 100993536.

The previous prime is 305702063. The next prime is 305702083. The reversal of 305702064 is 460207503.

It is a happy number.

305702064 is a `hidden beast` number, since 30 + 570 + 2 + 0 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (305702063) 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 11 ways as a sum of consecutive naturals, for example, 6879 + ... + 25665.

Almost surely, 2^305702064 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 305702064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431579148).

305702064 is an abundant number, since it is smaller than the sum of its proper divisors (557456232).

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

305702064 is a wasteful number, since it uses less digits than its factorization.

305702064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914 (or 18905 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 305702064 is about 17484.3376769039. The cubic root of 305702064 is about 673.6476363796.

Adding to 305702064 its reverse (460207503), we get a palindrome (765909567).

The spelling of 305702064 in words is "three hundred five million, seven hundred two thousand, sixty-four".