65862642 has 16 divisors (see below), whose sum is σ = 132455232. Its totient is φ = 21832560.

The previous prime is 65862637. The next prime is 65862661. The reversal of 65862642 is 24626856.

It is a super-2 number, since 2×65862642² = 8675775222440328, 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 65862642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29238 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (8278452).

Almost surely, 2^65862642 is an apocalyptic number.

65862642 is an abundant number, since it is smaller than the sum of its proper divisors (66592590).

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

65862642 is a wasteful number, since it uses less digits than its factorization.

65862642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60833.

The product of its digits is 138240, while the sum is 39.

The square root of 65862642 is about 8115.5802010700. The cubic root of 65862642 is about 403.8434555075.

The spelling of 65862642 in words is "sixty-five million, eight hundred sixty-two thousand, six hundred forty-two".