72233344 has 16 divisors (see below), whose sum is σ = 143902620. Its totient is φ = 36116608.

The previous prime is 72233327. The next prime is 72233347. The reversal of 72233344 is 44333227.

It is a tau number, because it is divible by the number of its divisors (16).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72233347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282034 + ... + 282289.

Almost surely, 2^72233344 is an apocalyptic number.

It is an amenable number.

72233344 is a deficient number, since it is larger than the sum of its proper divisors (71669276).

72233344 is an equidigital number, since it uses as much as digits as its factorization.

72233344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564337 (or 564325 counting only the distinct ones).

The product of its digits is 12096, while the sum is 28.

The square root of 72233344 is about 8499.0201788206. The cubic root of 72233344 is about 416.4657013444.

The spelling of 72233344 in words is "seventy-two million, two hundred thirty-three thousand, three hundred forty-four".