64667295 has 64 divisors (see below), whose sum is σ = 143354880. Its totient is φ = 26870400.

The previous prime is 64667249. The next prime is 64667299. The reversal of 64667295 is 59276646.

It is not a de Polignac number, because 64667295 - 2¹⁸ = 64405151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64667295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64667299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7285 + ... + 13505.

It is an arithmetic number, because the mean of its divisors is an integer number (2239920).

Almost surely, 2^64667295 is an apocalyptic number.

64667295 is an abundant number, since it is smaller than the sum of its proper divisors (78687585).

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

64667295 is a wasteful number, since it uses less digits than its factorization.

64667295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253 (or 6247 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 64667295 is about 8041.5977889969. The cubic root of 64667295 is about 401.3853940851.

The spelling of 64667295 in words is "sixty-four million, six hundred sixty-seven thousand, two hundred ninety-five".