65378374 has 16 divisors (see below), whose sum is σ = 102509568. Its totient is φ = 31213512.

The previous prime is 65378359. The next prime is 65378387. The reversal of 65378374 is 47387356.

65378374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65378374.

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, 40939 + ... + 42505.

It is an arithmetic number, because the mean of its divisors is an integer number (6406848).

Almost surely, 2^65378374 is an apocalyptic number.

65378374 is a deficient number, since it is larger than the sum of its proper divisors (37131194).

65378374 is a wasteful number, since it uses less digits than its factorization.

65378374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499.

The product of its digits is 423360, while the sum is 43.

The square root of 65378374 is about 8085.6894573067. The cubic root of 65378374 is about 402.8512402818.

The spelling of 65378374 in words is "sixty-five million, three hundred seventy-eight thousand, three hundred seventy-four".