65440683 has 32 divisors (see below), whose sum is σ = 120875520. Its totient is φ = 33994080.

The previous prime is 65440621. The next prime is 65440691. The reversal of 65440683 is 38604456.

It is not a de Polignac number, because 65440683 - 2⁶ = 65440619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65440283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13660 + ... + 17817.

It is an arithmetic number, because the mean of its divisors is an integer number (3777360).

Almost surely, 2^65440683 is an apocalyptic number.

65440683 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65440683 is a deficient number, since it is larger than the sum of its proper divisors (55434837).

65440683 is a wasteful number, since it uses less digits than its factorization.

65440683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31504 (or 31498 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 65440683 is about 8089.5415815731. The cubic root of 65440683 is about 402.9791790601.

The spelling of 65440683 in words is "sixty-five million, four hundred forty thousand, six hundred eighty-three".