64366724 has 6 divisors (see below), whose sum is σ = 112641774. Its totient is φ = 32183360.

The previous prime is 64366697. The next prime is 64366727. The reversal of 64366724 is 42766346.

It can be written as a sum of positive squares in only one way, i.e., 64288324 + 78400 = 8018^2 + 280^2 .

It is not an unprimeable number, because it can be changed into a prime (64366727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8045837 + ... + 8045844.

It is an arithmetic number, because the mean of its divisors is an integer number (18773629).

Almost surely, 2^64366724 is an apocalyptic number.

It is an amenable number.

64366724 is a deficient number, since it is larger than the sum of its proper divisors (48275050).

64366724 is a wasteful number, since it uses less digits than its factorization.

64366724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091685 (or 16091683 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 64366724 is about 8022.8875101175. The cubic root of 64366724 is about 400.7625536892.

The spelling of 64366724 in words is "sixty-four million, three hundred sixty-six thousand, seven hundred twenty-four".