65897474 has 8 divisors (see below), whose sum is σ = 104660748. Its totient is φ = 31010560.

The previous prime is 65897459. The next prime is 65897501. The reversal of 65897474 is 47479856.

It can be written as a sum of positive squares in 2 ways, for example, as 65529025 + 368449 = 8095^2 + 607^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969047 + ... + 969114.

Almost surely, 2^65897474 is an apocalyptic number.

65897474 is a deficient number, since it is larger than the sum of its proper divisors (38763274).

65897474 is a wasteful number, since it uses less digits than its factorization.

65897474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938180.

The product of its digits is 1693440, while the sum is 50.

The square root of 65897474 is about 8117.7259130867. The cubic root of 65897474 is about 403.9146349389.

The spelling of 65897474 in words is "sixty-five million, eight hundred ninety-seven thousand, four hundred seventy-four".