65473884 has 72 divisors (see below), whose sum is σ = 193790688. Its totient is φ = 18247680.

The previous prime is 65473883. The next prime is 65473937. The reversal of 65473884 is 48837456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65473883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7164 + ... + 13500.

Almost surely, 2^65473884 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 65473884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96895344).

65473884 is an abundant number, since it is smaller than the sum of its proper divisors (128316804).

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

65473884 is a wasteful number, since it uses less digits than its factorization.

65473884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395 (or 6390 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 65473884 is about 8091.5934153911. The cubic root of 65473884 is about 403.0473173552.

The spelling of 65473884 in words is "sixty-five million, four hundred seventy-three thousand, eight hundred eighty-four".