72750722202233 has 4 divisors (see below), whose sum is σ = 72750739266660. Its totient is φ = 72750705137808.

The previous prime is 72750722202203. The next prime is 72750722202253. The reversal of 72750722202233 is 33220222705727.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31138765964944 + 41611956237289 = 5580212^2 + 6450733^2 .

It is a cyclic number.

It is not a de Polignac number, because 72750722202233 - 2⁸ = 72750722201977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72750722202203) 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, 3937691 + ... + 12688847.

It is an arithmetic number, because the mean of its divisors is an integer number (18187684816665).

Almost surely, 2^{72750722202233} is an apocalyptic number.

It is an amenable number.

72750722202233 is a deficient number, since it is larger than the sum of its proper divisors (17064427).

72750722202233 is an equidigital number, since it uses as much as digits as its factorization.

72750722202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17064426.

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 72750722202233 in words is "seventy-two trillion, seven hundred fifty billion, seven hundred twenty-two million, two hundred two thousand, two hundred thirty-three".