64528350 has 96 divisors (see below), whose sum is σ = 166489344. Its totient is φ = 16531200.

The previous prime is 64528309. The next prime is 64528381. The reversal of 64528350 is 5382546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 777409 + ... + 777491.

It is an arithmetic number, because the mean of its divisors is an integer number (1734264).

Almost surely, 2^64528350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64528350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83244672).

64528350 is an abundant number, since it is smaller than the sum of its proper divisors (101960994).

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

64528350 is a wasteful number, since it uses less digits than its factorization.

64528350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 64528350 is about 8032.9540021091. The cubic root of 64528350 is about 401.0977139711.

The spelling of 64528350 in words is "sixty-four million, five hundred twenty-eight thousand, three hundred fifty".