64042504 has 16 divisors (see below), whose sum is σ = 121319100. Its totient is φ = 31690752.

The previous prime is 64042501. The next prime is 64042513. The reversal of 64042504 is 40524046.

It can be written as a sum of positive squares in 2 ways, for example, as 62378404 + 1664100 = 7898^2 + 1290^2 .

It is not an unprimeable number, because it can be changed into a prime (64042501) 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 in 3 ways as a sum of consecutive naturals, for example, 40489 + ... + 42040.

Almost surely, 2^64042504 is an apocalyptic number.

It is an amenable number.

64042504 is a deficient number, since it is larger than the sum of its proper divisors (57276596).

64042504 is a wasteful number, since it uses less digits than its factorization.

64042504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82632 (or 82628 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 64042504 is about 8002.6560590844. The cubic root of 64042504 is about 400.0885304045.

It can be divided in two parts, 64042 and 504, that added together give a palindrome (64546).

The spelling of 64042504 in words is "sixty-four million, forty-two thousand, five hundred four".