72338573 has 4 divisors (see below), whose sum is σ = 72435648. Its totient is φ = 72241500.

The previous prime is 72338569. The next prime is 72338633. The reversal of 72338573 is 37583327.

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 72338573 - 2² = 72338569 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 (72338503) 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, 47411 + ... + 48912.

It is an arithmetic number, because the mean of its divisors is an integer number (18108912).

Almost surely, 2^72338573 is an apocalyptic number.

It is an amenable number.

72338573 is a deficient number, since it is larger than the sum of its proper divisors (97075).

72338573 is an equidigital number, since it uses as much as digits as its factorization.

72338573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97074.

The product of its digits is 105840, while the sum is 38.

The square root of 72338573 is about 8505.2085806287. The cubic root of 72338573 is about 416.6678379345.

The spelling of 72338573 in words is "seventy-two million, three hundred thirty-eight thousand, five hundred seventy-three".