65468590 has 64 divisors (see below), whose sum is σ = 135032832. Its totient is φ = 22636800.

The previous prime is 65468569. The next prime is 65468591. The reversal of 65468590 is 9586456.

It is a super-3 number, since 3×65468590³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65468591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248799 + ... + 249061.

It is an arithmetic number, because the mean of its divisors is an integer number (2109888).

Almost surely, 2^65468590 is an apocalyptic number.

65468590 is an abundant number, since it is smaller than the sum of its proper divisors (69564242).

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

65468590 is a wasteful number, since it uses less digits than its factorization.

65468590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 65468590 is about 8091.2662791432. The cubic root of 65468590 is about 403.0364540416.

The spelling of 65468590 in words is "sixty-five million, four hundred sixty-eight thousand, five hundred ninety".