73226491 has 4 divisors (see below), whose sum is σ = 78859312. Its totient is φ = 67593672.

The previous prime is 73226477. The next prime is 73226521. The reversal of 73226491 is 19462237.

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

It is a cyclic number.

It is not a de Polignac number, because 73226491 - 2¹⁷ = 73095419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73226591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2816391 + ... + 2816416.

It is an arithmetic number, because the mean of its divisors is an integer number (19714828).

Almost surely, 2^73226491 is an apocalyptic number.

73226491 is a deficient number, since it is larger than the sum of its proper divisors (5632821).

73226491 is a wasteful number, since it uses less digits than its factorization.

73226491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632820.

The product of its digits is 18144, while the sum is 34.

The square root of 73226491 is about 8557.2478636534. The cubic root of 73226491 is about 418.3657029426.

The spelling of 73226491 in words is "seventy-three million, two hundred twenty-six thousand, four hundred ninety-one".