65489474 has 8 divisors (see below), whose sum is σ = 104012748. Its totient is φ = 30818560.

The previous prime is 65489449. The next prime is 65489483. The reversal of 65489474 is 47498456.

65489474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63313849 + 2175625 = 7957^2 + 1475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 963047 + ... + 963114.

Almost surely, 2^65489474 is an apocalyptic number.

65489474 is a deficient number, since it is larger than the sum of its proper divisors (38523274).

65489474 is a wasteful number, since it uses less digits than its factorization.

65489474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926180.

The product of its digits is 967680, while the sum is 47.

The square root of 65489474 is about 8092.5567035394. The cubic root of 65489474 is about 403.0793047097.

The spelling of 65489474 in words is "sixty-five million, four hundred eighty-nine thousand, four hundred seventy-four".