65296340 has 12 divisors (see below), whose sum is σ = 137122356. Its totient is φ = 26118528.

The previous prime is 65296327. The next prime is 65296351. The reversal of 65296340 is 4369256.

It can be written as a sum of positive squares in 2 ways, for example, as 31516996 + 33779344 = 5614^2 + 5812^2 .

It is a super-2 number, since 2×65296340² = 8527224034791200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65296340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632389 + ... + 1632428.

It is an arithmetic number, because the mean of its divisors is an integer number (11426863).

Almost surely, 2^65296340 is an apocalyptic number.

It is an amenable number.

65296340 is an abundant number, since it is smaller than the sum of its proper divisors (71826016).

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

65296340 is a wasteful number, since it uses less digits than its factorization.

65296340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264826 (or 3264824 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 65296340 is about 8080.6150755991. The cubic root of 65296340 is about 402.6826762319.

The spelling of 65296340 in words is "sixty-five million, two hundred ninety-six thousand, three hundred forty".