65473197 has 8 divisors (see below), whose sum is σ = 87373440. Its totient is φ = 43610880.

The previous prime is 65473169. The next prime is 65473207. The reversal of 65473197 is 79137456.

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

It is a de Polignac number, because none of the positive numbers 2^k-65473197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65473697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5172 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (10921680).

Almost surely, 2^65473197 is an apocalyptic number.

It is an amenable number.

65473197 is a deficient number, since it is larger than the sum of its proper divisors (21900243).

65473197 is a wasteful number, since it uses less digits than its factorization.

65473197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18963.

The product of its digits is 158760, while the sum is 42.

The square root of 65473197 is about 8091.5509638140. The cubic root of 65473197 is about 403.0459076609.

The spelling of 65473197 in words is "sixty-five million, four hundred seventy-three thousand, one hundred ninety-seven".