72233741 has 4 divisors (see below), whose sum is σ = 72256800. Its totient is φ = 72210684.

The previous prime is 72233737. The next prime is 72233747. The reversal of 72233741 is 14733227.

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 72233741 - 2² = 72233737 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 (72233747) 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, 5921 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (18064200).

Almost surely, 2^72233741 is an apocalyptic number.

It is an amenable number.

72233741 is a deficient number, since it is larger than the sum of its proper divisors (23059).

72233741 is a wasteful number, since it uses less digits than its factorization.

72233741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23058.

The product of its digits is 7056, while the sum is 29.

The square root of 72233741 is about 8499.0435344220. The cubic root of 72233741 is about 416.4664643188.

Adding to 72233741 its reverse (14733227), we get a palindrome (86966968).

The spelling of 72233741 in words is "seventy-two million, two hundred thirty-three thousand, seven hundred forty-one".