72326151 has 6 divisors (see below), whose sum is σ = 104471120. Its totient is φ = 48217428.

The previous prime is 72326147. The next prime is 72326167. The reversal of 72326151 is 15162327.

It is a happy number.

It is not a de Polignac number, because 72326151 - 2² = 72326147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72326101) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 4018111 + ... + 4018128.

Almost surely, 2^72326151 is an apocalyptic number.

72326151 is a deficient number, since it is larger than the sum of its proper divisors (32144969).

72326151 is a wasteful number, since it uses less digits than its factorization.

72326151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036245 (or 8036242 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 72326151 is about 8504.4782908771. The cubic root of 72326151 is about 416.6439864633.

Adding to 72326151 its reverse (15162327), we get a palindrome (87488478).

The spelling of 72326151 in words is "seventy-two million, three hundred twenty-six thousand, one hundred fifty-one".