72334361 has 4 divisors (see below), whose sum is σ = 78910224. Its totient is φ = 65758500.

The previous prime is 72334343. The next prime is 72334393. The reversal of 72334361 is 16343327.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72334361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72334321) 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, 3287915 + ... + 3287936.

It is an arithmetic number, because the mean of its divisors is an integer number (19727556).

Almost surely, 2^72334361 is an apocalyptic number.

It is an amenable number.

72334361 is a deficient number, since it is larger than the sum of its proper divisors (6575863).

72334361 is a wasteful number, since it uses less digits than its factorization.

72334361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575862.

The product of its digits is 9072, while the sum is 29.

The square root of 72334361 is about 8504.9609640492. The cubic root of 72334361 is about 416.6597507830.

Adding to 72334361 its reverse (16343327), we get a palindrome (88677688).

It can be divided in two parts, 72 and 334361, that added together give a palindrome (334433).

The spelling of 72334361 in words is "seventy-two million, three hundred thirty-four thousand, three hundred sixty-one".