72331153 has 8 divisors (see below), whose sum is σ = 74762240. Its totient is φ = 69906240.

The previous prime is 72331151. The next prime is 72331169. The reversal of 72331153 is 35113327.

72331153 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72331153 - 2¹ = 72331151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72331151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45376 + ... + 46942.

It is an arithmetic number, because the mean of its divisors is an integer number (9345280).

Almost surely, 2^72331153 is an apocalyptic number.

It is an amenable number.

72331153 is a deficient number, since it is larger than the sum of its proper divisors (2431087).

72331153 is a wasteful number, since it uses less digits than its factorization.

72331153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087.

The product of its digits is 1890, while the sum is 25.

The square root of 72331153 is about 8504.7723661483. The cubic root of 72331153 is about 416.6535911275.

The spelling of 72331153 in words is "seventy-two million, three hundred thirty-one thousand, one hundred fifty-three".