65340478 has 32 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 27185760.

The previous prime is 65340437. The next prime is 65340479. The reversal of 65340478 is 87404356.

65340478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65340479) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 187048 + ... + 187396.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^65340478 is an apocalyptic number.

65340478 is a deficient number, since it is larger than the sum of its proper divisors (49974722).

65340478 is a wasteful number, since it uses less digits than its factorization.

65340478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

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

The square root of 65340478 is about 8083.3457182036. The cubic root of 65340478 is about 402.7733888441.

The spelling of 65340478 in words is "sixty-five million, three hundred forty thousand, four hundred seventy-eight".