72822304 has 12 divisors (see below), whose sum is σ = 143368974. Its totient is φ = 36411136.

The previous prime is 72822289. The next prime is 72822311. The reversal of 72822304 is 40322827.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 23541904 = 7020^2 + 4852^2 .

It is an unprimeable number.

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, 1137817 + ... + 1137880.

Almost surely, 2^72822304 is an apocalyptic number.

It is an amenable number.

72822304 is a deficient number, since it is larger than the sum of its proper divisors (70546670).

72822304 is a wasteful number, since it uses less digits than its factorization.

72822304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275707 (or 2275699 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 72822304 is about 8533.5985375456. The cubic root of 72822304 is about 417.5945336748.

It can be divided in two parts, 728 and 22304, that added together give a palindrome (23032).

The spelling of 72822304 in words is "seventy-two million, eight hundred twenty-two thousand, three hundred four".