65342278 has 16 divisors (see below), whose sum is σ = 101724480. Its totient is φ = 31441536.

The previous prime is 65342239. The next prime is 65342293. The reversal of 65342278 is 87224356.

65342278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65342278² = 8539226588458568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17875 + ... + 21217.

It is an arithmetic number, because the mean of its divisors is an integer number (6357780).

Almost surely, 2^65342278 is an apocalyptic number.

65342278 is a deficient number, since it is larger than the sum of its proper divisors (36382202).

65342278 is a wasteful number, since it uses less digits than its factorization.

65342278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711.

The product of its digits is 80640, while the sum is 37.

The square root of 65342278 is about 8083.4570574724. The cubic root of 65342278 is about 402.7770873449. Note that the first 3 decimals are identical.

The spelling of 65342278 in words is "sixty-five million, three hundred forty-two thousand, two hundred seventy-eight".