64242824 has 8 divisors (see below), whose sum is σ = 120455310. Its totient is φ = 32121408.

The previous prime is 64242811. The next prime is 64242833. The reversal of 64242824 is 42824246.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 25180324 = 6250^2 + 5018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015169 + ... + 4015184.

Almost surely, 2^64242824 is an apocalyptic number.

It is an amenable number.

64242824 is a deficient number, since it is larger than the sum of its proper divisors (56212486).

64242824 is a wasteful number, since it uses less digits than its factorization.

64242824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030359 (or 8030355 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 64242824 is about 8015.1621318598. The cubic root of 64242824 is about 400.5052448837.

The spelling of 64242824 in words is "sixty-four million, two hundred forty-two thousand, eight hundred twenty-four".