64280952 has 160 divisors (see below), whose sum is σ = 198633600. Its totient is φ = 19331136.

The previous prime is 64280941. The next prime is 64280959. The reversal of 64280952 is 25908246.

It is a happy number.

64280952 is a `hidden beast` number, since 642 + 8 + 0 + 9 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64280959) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 283063 + ... + 283289.

It is an arithmetic number, because the mean of its divisors is an integer number (1241460).

Almost surely, 2^64280952 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 64280952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99316800).

64280952 is an abundant number, since it is smaller than the sum of its proper divisors (134352648).

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

64280952 is a wasteful number, since it uses less digits than its factorization.

64280952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 64280952 is about 8017.5402711804. The cubic root of 64280952 is about 400.5844622604.

The spelling of 64280952 in words is "sixty-four million, two hundred eighty thousand, nine hundred fifty-two".