65980760 has 32 divisors (see below), whose sum is σ = 151262640. Its totient is φ = 25893504.

The previous prime is 65980753. The next prime is 65980769. The reversal of 65980760 is 6708956.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65980769) 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, 13442 + ... + 17681.

Almost surely, 2^65980760 is an apocalyptic number.

It is an amenable number.

65980760 is an abundant number, since it is smaller than the sum of its proper divisors (85281880).

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

65980760 is a wasteful number, since it uses less digits than its factorization.

65980760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31187 (or 31183 counting only the distinct ones).

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

The square root of 65980760 is about 8122.8541781815. The cubic root of 65980760 is about 404.0847288225.

The spelling of 65980760 in words is "sixty-five million, nine hundred eighty thousand, seven hundred sixty".