64875674 has 4 divisors (see below), whose sum is σ = 97313514. Its totient is φ = 32437836.

The previous prime is 64875667. The next prime is 64875677. The reversal of 64875674 is 47657846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 13653025 = 7157^2 + 3695^2 .

It is not an unprimeable number, because it can be changed into a prime (64875677) 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 as a sum of consecutive naturals, namely, 16218917 + ... + 16218920.

Almost surely, 2^64875674 is an apocalyptic number.

64875674 is a deficient number, since it is larger than the sum of its proper divisors (32437840).

64875674 is a wasteful number, since it uses less digits than its factorization.

64875674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32437839.

The product of its digits is 1128960, while the sum is 47.

The square root of 64875674 is about 8054.5436866405. The cubic root of 64875674 is about 401.8160631418.

The spelling of 64875674 in words is "sixty-four million, eight hundred seventy-five thousand, six hundred seventy-four".