64675724 has 24 divisors (see below), whose sum is σ = 118634208. Its totient is φ = 30792960.

The previous prime is 64675697. The next prime is 64675729. The reversal of 64675724 is 42757646.

It is not an unprimeable number, because it can be changed into a prime (64675729) 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, 20714 + ... + 23630.

It is an arithmetic number, because the mean of its divisors is an integer number (4943092).

Almost surely, 2^64675724 is an apocalyptic number.

It is an amenable number.

64675724 is a deficient number, since it is larger than the sum of its proper divisors (53958484).

64675724 is a wasteful number, since it uses less digits than its factorization.

64675724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185 (or 3183 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 64675724 is about 8042.1218593105. The cubic root of 64675724 is about 401.4028327327.

The spelling of 64675724 in words is "sixty-four million, six hundred seventy-five thousand, seven hundred twenty-four".