64834880 has 112 divisors (see below), whose sum is σ = 170956224. Its totient is φ = 23224320.

The previous prime is 64834879. The next prime is 64834901. The reversal of 64834880 is 8843846.

64834880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64834880² = 8407123329228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397679 + ... + 397841.

Almost surely, 2^64834880 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 64834880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85478112).

64834880 is an abundant number, since it is smaller than the sum of its proper divisors (106121344).

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

64834880 is a wasteful number, since it uses less digits than its factorization.

64834880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 64834880 is about 8052.0109289543. The cubic root of 64834880 is about 401.7318244723.

The spelling of 64834880 in words is "sixty-four million, eight hundred thirty-four thousand, eight hundred eighty".