64771196 has 24 divisors (see below), whose sum is σ = 130060896. Its totient is φ = 27648000.

The previous prime is 64771193. The next prime is 64771237. The reversal of 64771196 is 69117746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64771193) 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, 2696 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (5419204).

Almost surely, 2^64771196 is an apocalyptic number.

It is an amenable number.

64771196 is an abundant number, since it is smaller than the sum of its proper divisors (65289700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64771196 is a wasteful number, since it uses less digits than its factorization.

64771196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269 (or 9267 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 64771196 is about 8048.0554173042. The cubic root of 64771196 is about 401.6002478134.

The spelling of 64771196 in words is "sixty-four million, seven hundred seventy-one thousand, one hundred ninety-six".