65730424560 has 80 divisors (see below), whose sum is σ = 204459976224. Its totient is φ = 17468271616.

The previous prime is 65730424553. The next prime is 65730424579. The reversal of 65730424560 is 6542403756.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397047 + ... + 537686.

Almost surely, 2^65730424560 is an apocalyptic number.

65730424560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65730424560 is an abundant number, since it is smaller than the sum of its proper divisors (138729551664).

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

65730424560 is a wasteful number, since it uses less digits than its factorization.

65730424560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935042 (or 935036 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 65730424560 in words is "sixty-five billion, seven hundred thirty million, four hundred twenty-four thousand, five hundred sixty".