73506226 has 4 divisors (see below), whose sum is σ = 110259342. Its totient is φ = 36753112.

The previous prime is 73506157. The next prime is 73506253. The reversal of 73506226 is 62260537.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 11868025 = 7851^2 + 3445^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18376555 + ... + 18376558.

Almost surely, 2^73506226 is an apocalyptic number.

73506226 is a deficient number, since it is larger than the sum of its proper divisors (36753116).

73506226 is a wasteful number, since it uses less digits than its factorization.

73506226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36753115.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 73506226 is about 8573.5771997457. The cubic root of 73506226 is about 418.8977636692.

The spelling of 73506226 in words is "seventy-three million, five hundred six thousand, two hundred twenty-six".