73225651 has 4 divisors (see below), whose sum is σ = 73572904. Its totient is φ = 72878400.

The previous prime is 73225619. The next prime is 73225679. The reversal of 73225651 is 15652237.

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 73225651 - 2⁵ = 73225619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73225051) 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, 173310 + ... + 173731.

It is an arithmetic number, because the mean of its divisors is an integer number (18393226).

Almost surely, 2^73225651 is an apocalyptic number.

73225651 is a deficient number, since it is larger than the sum of its proper divisors (347253).

73225651 is a wasteful number, since it uses less digits than its factorization.

73225651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347252.

The product of its digits is 12600, while the sum is 31.

The square root of 73225651 is about 8557.1987823119. The cubic root of 73225651 is about 418.3641032095.

Adding to 73225651 its reverse (15652237), we get a palindrome (88877888).

The spelling of 73225651 in words is "seventy-three million, two hundred twenty-five thousand, six hundred fifty-one".