65874378 has 16 divisors (see below), whose sum is σ = 131989536. Its totient is φ = 21918000.

The previous prime is 65874343. The next prime is 65874379. The reversal of 65874378 is 87347856.

It is not an unprimeable number, because it can be changed into a prime (65874379) 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, 6373 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (8249346).

Almost surely, 2^65874378 is an apocalyptic number.

65874378 is an abundant number, since it is smaller than the sum of its proper divisors (66115158).

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

65874378 is a wasteful number, since it uses less digits than its factorization.

65874378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20069.

The product of its digits is 1128960, while the sum is 48.

The square root of 65874378 is about 8116.3032225269. The cubic root of 65874378 is about 403.8674409069.

The spelling of 65874378 in words is "sixty-five million, eight hundred seventy-four thousand, three hundred seventy-eight".