64825464 has 96 divisors (see below), whose sum is σ = 184573440. Its totient is φ = 18796800.

The previous prime is 64825459. The next prime is 64825489. The reversal of 64825464 is 46452846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728332 + ... + 728420.

It is an arithmetic number, because the mean of its divisors is an integer number (1922640).

Almost surely, 2^64825464 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 64825464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92286720).

64825464 is an abundant number, since it is smaller than the sum of its proper divisors (119747976).

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

64825464 is a wasteful number, since it uses less digits than its factorization.

64825464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 136 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 64825464 is about 8051.4262090638. The cubic root of 64825464 is about 401.7123756303.

It can be divided in two parts, 64 and 825464, that added together give a palindrome (825528).

The spelling of 64825464 in words is "sixty-four million, eight hundred twenty-five thousand, four hundred sixty-four".