65486750 has 64 divisors (see below), whose sum is σ = 146285568. Its totient is φ = 21463200.

The previous prime is 65486731. The next prime is 65486753. The reversal of 65486750 is 5768456.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65486698 and 65486707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65486753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39437 + ... + 41063.

It is an arithmetic number, because the mean of its divisors is an integer number (2285712).

Almost surely, 2^65486750 is an apocalyptic number.

65486750 is an abundant number, since it is smaller than the sum of its proper divisors (80798818).

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

65486750 is a wasteful number, since it uses less digits than its factorization.

65486750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 65486750 is about 8092.3883989833. The cubic root of 65486750 is about 403.0737160088.

The spelling of 65486750 in words is "sixty-five million, four hundred eighty-six thousand, seven hundred fifty".