64800632 has 32 divisors (see below), whose sum is σ = 131512080. Its totient is φ = 29756160.

The previous prime is 64800629. The next prime is 64800643. The reversal of 64800632 is 23600846.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64800595 and 64800604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20468 + ... + 23420.

Almost surely, 2^64800632 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 64800632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65756040).

64800632 is an abundant number, since it is smaller than the sum of its proper divisors (66711448).

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

64800632 is a wasteful number, since it uses less digits than its factorization.

64800632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64800632 is about 8049.8839743191. The cubic root of 64800632 is about 401.6610758525.

The spelling of 64800632 in words is "sixty-four million, eight hundred thousand, six hundred thirty-two".