65796800 has 168 divisors, whose sum is σ = 178582320. Its totient is φ = 23756800.

The previous prime is 65796799. The next prime is 65796803. The reversal of 65796800 is 869756.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65796803) 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, 1115171 + ... + 1115229.

It is an arithmetic number, because the mean of its divisors is an integer number (1062990).

Almost surely, 2^65796800 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 65796800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89291160).

65796800 is an abundant number, since it is smaller than the sum of its proper divisors (112785520).

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

65796800 is a wasteful number, since it uses less digits than its factorization.

65796800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 65796800 is about 8111.5226684020. The cubic root of 65796800 is about 403.7088383436.

The spelling of 65796800 in words is "sixty-five million, seven hundred ninety-six thousand, eight hundred".