73322506 has 4 divisors (see below), whose sum is σ = 109983762. Its totient is φ = 36661252.

The previous prime is 73322467. The next prime is 73322521. The reversal of 73322506 is 60522337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60522337 = 367 ⋅164911.

It can be written as a sum of positive squares in only one way, i.e., 56025225 + 17297281 = 7485^2 + 4159^2 .

It is a super-2 number, since 2×73322506² = 10752379772240072, which contains 22 as substring.

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, 18330625 + ... + 18330628.

Almost surely, 2^73322506 is an apocalyptic number.

73322506 is a deficient number, since it is larger than the sum of its proper divisors (36661256).

73322506 is a wasteful number, since it uses less digits than its factorization.

73322506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36661255.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 73322506 is about 8562.8561823728. The cubic root of 73322506 is about 418.5484775934.

The spelling of 73322506 in words is "seventy-three million, three hundred twenty-two thousand, five hundred six".