64948224 has 144 divisors (see below), whose sum is σ = 195184080. Its totient is φ = 19046400.

The previous prime is 64948207. The next prime is 64948229. The reversal of 64948224 is 42284946.

It is not an unprimeable number, because it can be changed into a prime (64948229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2095089 + ... + 2095119.

It is an arithmetic number, because the mean of its divisors is an integer number (1355445).

Almost surely, 2^64948224 is an apocalyptic number.

64948224 is a gapful number since it is divisible by the number (64) 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 64948224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97592040).

64948224 is an abundant number, since it is smaller than the sum of its proper divisors (130235856).

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

64948224 is a wasteful number, since it uses less digits than its factorization.

64948224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 47 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 64948224 is about 8059.0460973989. The cubic root of 64948224 is about 401.9657900147.

Subtracting from 64948224 its reverse (42284946), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 64948224 in words is "sixty-four million, nine hundred forty-eight thousand, two hundred twenty-four".