64275447 has 8 divisors (see below), whose sum is σ = 86487280. Its totient is φ = 42456960.

The previous prime is 64275433. The next prime is 64275451. The reversal of 64275447 is 74457246.

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

It is not a de Polignac number, because 64275447 - 2⁷ = 64275319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64275457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97954 + ... + 98607.

It is an arithmetic number, because the mean of its divisors is an integer number (10810910).

Almost surely, 2^64275447 is an apocalyptic number.

64275447 is a deficient number, since it is larger than the sum of its proper divisors (22211833).

64275447 is a wasteful number, since it uses less digits than its factorization.

64275447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196673.

The product of its digits is 188160, while the sum is 39.

The square root of 64275447 is about 8017.1969540482. The cubic root of 64275447 is about 400.5730266259.

The spelling of 64275447 in words is "sixty-four million, two hundred seventy-five thousand, four hundred forty-seven".