65872378 has 32 divisors (see below), whose sum is σ = 116988480. Its totient is φ = 27423360.

The previous prime is 65872361. The next prime is 65872381. The reversal of 65872378 is 87327856.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38926 + ... + 40582.

It is an arithmetic number, because the mean of its divisors is an integer number (3655890).

Almost surely, 2^65872378 is an apocalyptic number.

65872378 is a deficient number, since it is larger than the sum of its proper divisors (51116102).

65872378 is a wasteful number, since it uses less digits than its factorization.

65872378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its digits is 564480, while the sum is 46.

The square root of 65872378 is about 8116.1800127893. The cubic root of 65872378 is about 403.8633536169.

The spelling of 65872378 in words is "sixty-five million, eight hundred seventy-two thousand, three hundred seventy-eight".