65732160 has 224 divisors, whose sum is σ = 235549440. Its totient is φ = 15409152.

The previous prime is 65732129. The next prime is 65732167. The reversal of 65732160 is 6123756.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (65732167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286926 + ... + 287154.

It is an arithmetic number, because the mean of its divisors is an integer number (1051560).

Almost surely, 2^65732160 is an apocalyptic number.

65732160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65732160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117774720).

65732160 is an abundant number, since it is smaller than the sum of its proper divisors (169817280).

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

65732160 is a wasteful number, since it uses less digits than its factorization.

65732160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 65732160 is about 8107.5372339571. The cubic root of 65732160 is about 403.5765913365.

The spelling of 65732160 in words is "sixty-five million, seven hundred thirty-two thousand, one hundred sixty".