72023807753 has 4 divisors (see below), whose sum is σ = 72024373008. Its totient is φ = 72023242500.

The previous prime is 72023807659. The next prime is 72023807761. The reversal of 72023807753 is 35770832027.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 72023807753 - 2²⁰ = 72022759177 is a prime.

It is a super-2 number, since 2×72023807753² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72023807773) 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, 8378 + ... + 379628.

It is an arithmetic number, because the mean of its divisors is an integer number (18006093252).

Almost surely, 2^72023807753 is an apocalyptic number.

It is an amenable number.

72023807753 is a deficient number, since it is larger than the sum of its proper divisors (565255).

72023807753 is a wasteful number, since it uses less digits than its factorization.

72023807753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565254.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 72023807753 in words is "seventy-two billion, twenty-three million, eight hundred seven thousand, seven hundred fifty-three".