65823942 has 32 divisors (see below), whose sum is σ = 141966720. Its totient is φ = 20278080.

The previous prime is 65823931. The next prime is 65823959. The reversal of 65823942 is 24932856.

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 65823942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (4436460).

Almost surely, 2^65823942 is an apocalyptic number.

65823942 is an abundant number, since it is smaller than the sum of its proper divisors (76142778).

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

65823942 is a wasteful number, since it uses less digits than its factorization.

65823942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148.

The product of its digits is 103680, while the sum is 39.

The square root of 65823942 is about 8113.1955479946. The cubic root of 65823942 is about 403.7643423546.

The spelling of 65823942 in words is "sixty-five million, eight hundred twenty-three thousand, nine hundred forty-two".