65463760 has 40 divisors (see below), whose sum is σ = 154052640. Its totient is φ = 25867392.

The previous prime is 65463737. The next prime is 65463763. The reversal of 65463760 is 6736456.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65463763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (3851316).

Almost surely, 2^65463760 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 65463760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77026320).

65463760 is an abundant number, since it is smaller than the sum of its proper divisors (88588880).

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

65463760 is a wasteful number, since it uses less digits than its factorization.

65463760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955 (or 9949 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 65463760 is about 8090.9678036685. The cubic root of 65463760 is about 403.0265423473.

The spelling of 65463760 in words is "sixty-five million, four hundred sixty-three thousand, seven hundred sixty".