65381682 has 16 divisors (see below), whose sum is σ = 132715872. Its totient is φ = 21468480.

The previous prime is 65381681. The next prime is 65381683. The reversal of 65381682 is 28618356.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65381681) and next prime (65381683).

It is a super-3 number, since 3×65381682³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65381682.

It is not an unprimeable number, because it can be changed into a prime (65381681) 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, 80919 + ... + 81722.

It is an arithmetic number, because the mean of its divisors is an integer number (8294742).

Almost surely, 2^65381682 is an apocalyptic number.

65381682 is an abundant number, since it is smaller than the sum of its proper divisors (67334190).

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

65381682 is a wasteful number, since it uses less digits than its factorization.

65381682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162713.

The product of its digits is 69120, while the sum is 39.

The square root of 65381682 is about 8085.8940136512. The cubic root of 65381682 is about 402.8580346255.

The spelling of 65381682 in words is "sixty-five million, three hundred eighty-one thousand, six hundred eighty-two".