65276320 has 24 divisors (see below), whose sum is σ = 154215684. Its totient is φ = 26110464.

The previous prime is 65276293. The next prime is 65276327. The reversal of 65276320 is 2367256.

It can be written as a sum of positive squares in 2 ways, for example, as 61905424 + 3370896 = 7868^2 + 1836^2 .

It is a super-3 number, since 3×65276320³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (65276327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203829 + ... + 204148.

Almost surely, 2^65276320 is an apocalyptic number.

It is an amenable number.

65276320 is an abundant number, since it is smaller than the sum of its proper divisors (88939364).

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

65276320 is a wasteful number, since it uses less digits than its factorization.

65276320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407992 (or 407984 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 65276320 is about 8079.3762135452. The cubic root of 65276320 is about 402.6415175635.

The spelling of 65276320 in words is "sixty-five million, two hundred seventy-six thousand, three hundred twenty".