65742836 has 12 divisors (see below), whose sum is σ = 115264128. Its totient is φ = 32810232.

The previous prime is 65742827. The next prime is 65742841. The reversal of 65742836 is 63824756.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65742793 and 65742802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12836 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (9605344).

Almost surely, 2^65742836 is an apocalyptic number.

It is an amenable number.

65742836 is a deficient number, since it is larger than the sum of its proper divisors (49521292).

65742836 is a wasteful number, since it uses less digits than its factorization.

65742836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30598 (or 30596 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 65742836 is about 8108.1956069153. The cubic root of 65742836 is about 403.5984393454.

The spelling of 65742836 in words is "sixty-five million, seven hundred forty-two thousand, eight hundred thirty-six".