65343680 has 56 divisors (see below), whose sum is σ = 158282640. Its totient is φ = 25687040.

The previous prime is 65343671. The next prime is 65343689. The reversal of 65343680 is 8634356.

It is an interprime number because it is at equal distance from previous prime (65343671) and next prime (65343689).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65343680.

It is not an unprimeable number, because it can be changed into a prime (65343689) 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, 17150 + ... + 20610.

Almost surely, 2^65343680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79141320).

65343680 is an abundant number, since it is smaller than the sum of its proper divisors (92938960).

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

65343680 is a wasteful number, since it uses less digits than its factorization.

65343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 65343680 is about 8083.5437773293. The cubic root of 65343680 is about 402.7799680191.

The spelling of 65343680 in words is "sixty-five million, three hundred forty-three thousand, six hundred eighty".