65683430 has 16 divisors (see below), whose sum is σ = 120461904. Its totient is φ = 25777440.

The previous prime is 65683421. The next prime is 65683433. The reversal of 65683430 is 3438656.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65683433) 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, 61436 + ... + 62495.

It is an arithmetic number, because the mean of its divisors is an integer number (7528869).

Almost surely, 2^65683430 is an apocalyptic number.

65683430 is a deficient number, since it is larger than the sum of its proper divisors (54778474).

65683430 is a wasteful number, since it uses less digits than its factorization.

65683430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123991.

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

The square root of 65683430 is about 8104.5314485169. The cubic root of 65683430 is about 403.4768372785.

The spelling of 65683430 in words is "sixty-five million, six hundred eighty-three thousand, four hundred thirty".