65374280 has 32 divisors (see below), whose sum is σ = 153489600. Its totient is φ = 25012416.

The previous prime is 65374277. The next prime is 65374289. The reversal of 65374280 is 8247356.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65374280.

It is not an unprimeable number, because it can be changed into a prime (65374289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34610 + ... + 36449.

It is an arithmetic number, because the mean of its divisors is an integer number (4796550).

Almost surely, 2^65374280 is an apocalyptic number.

It is an amenable number.

65374280 is an abundant number, since it is smaller than the sum of its proper divisors (88115320).

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

65374280 is a wasteful number, since it uses less digits than its factorization.

65374280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71093 (or 71089 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 65374280 is about 8085.4362900217. The cubic root of 65374280 is about 402.8428312453.

The spelling of 65374280 in words is "sixty-five million, three hundred seventy-four thousand, two hundred eighty".