72338233753 has 4 divisors (see below), whose sum is σ = 72357646720. Its totient is φ = 72318820788.

The previous prime is 72338233729. The next prime is 72338233771. The reversal of 72338233753 is 35733283327.

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.

It is a cyclic number.

It is not a de Polignac number, because 72338233753 - 2²¹ = 72336136601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72338233703) 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, 9700893 + ... + 9708346.

It is an arithmetic number, because the mean of its divisors is an integer number (18089411680).

Almost surely, 2^72338233753 is an apocalyptic number.

It is an amenable number.

72338233753 is a deficient number, since it is larger than the sum of its proper divisors (19412967).

72338233753 is a wasteful number, since it uses less digits than its factorization.

72338233753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19412966.

The product of its digits is 1905120, while the sum is 46.

The spelling of 72338233753 in words is "seventy-two billion, three hundred thirty-eight million, two hundred thirty-three thousand, seven hundred fifty-three".