65891342 has 16 divisors (see below), whose sum is σ = 108086832. Its totient is φ = 29877120.

The previous prime is 65891323. The next prime is 65891347. The reversal of 65891342 is 24319856.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65891296 and 65891305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65891347) 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, 6068 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (6755427).

Almost surely, 2^65891342 is an apocalyptic number.

65891342 is a deficient number, since it is larger than the sum of its proper divisors (42195490).

65891342 is a wasteful number, since it uses less digits than its factorization.

65891342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363.

The product of its digits is 51840, while the sum is 38.

The square root of 65891342 is about 8117.3482123166. The cubic root of 65891342 is about 403.9021059742.

It can be divided in two parts, 65 and 891342, that multiplied together give a triangular number (57937230 = T₁₀₇₆₄).

The spelling of 65891342 in words is "sixty-five million, eight hundred ninety-one thousand, three hundred forty-two".