64825488 has 320 divisors, whose sum is σ = 244984320. Its totient is φ = 15925248.

The previous prime is 64825459. The next prime is 64825489. The reversal of 64825488 is 88452846.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (64825489) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 668256 + ... + 668352.

It is an arithmetic number, because the mean of its divisors is an integer number (765576).

Almost surely, 2^64825488 is an apocalyptic number.

64825488 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64825488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122492160).

64825488 is an abundant number, since it is smaller than the sum of its proper divisors (180158832).

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

64825488 is a wasteful number, since it uses less digits than its factorization.

64825488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 139 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 64825488 is about 8051.4276994829. The cubic root of 64825488 is about 401.7124252050.

The spelling of 64825488 in words is "sixty-four million, eight hundred twenty-five thousand, four hundred eighty-eight".