72633296 has 10 divisors (see below), whose sum is σ = 140727042. Its totient is φ = 36316640.

The previous prime is 72633277. The next prime is 72633317. The reversal of 72633296 is 69233627.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 13957696 = 7660^2 + 3736^2 .

It is a congruent number.

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, 2269775 + ... + 2269806.

Almost surely, 2^72633296 is an apocalyptic number.

It is an amenable number.

72633296 is a deficient number, since it is larger than the sum of its proper divisors (68093746).

72633296 is a wasteful number, since it uses less digits than its factorization.

72633296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539589 (or 4539583 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 72633296 is about 8522.5169991030. The cubic root of 72633296 is about 417.2329361624.

The spelling of 72633296 in words is "seventy-two million, six hundred thirty-three thousand, two hundred ninety-six".