72269044 has 12 divisors (see below), whose sum is σ = 130832100. Its totient is φ = 34888448.

The previous prime is 72269009. The next prime is 72269047. The reversal of 72269044 is 44096227.

It can be written as a sum of positive squares in 2 ways, for example, as 36723600 + 35545444 = 6060^2 + 5962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72269047) 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, 311389 + ... + 311620.

It is an arithmetic number, because the mean of its divisors is an integer number (10902675).

Almost surely, 2^72269044 is an apocalyptic number.

It is an amenable number.

72269044 is a deficient number, since it is larger than the sum of its proper divisors (58563056).

72269044 is a wasteful number, since it uses less digits than its factorization.

72269044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623042 (or 623040 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 72269044 is about 8501.1201614846. The cubic root of 72269044 is about 416.5343002121.

The spelling of 72269044 in words is "seventy-two million, two hundred sixty-nine thousand, forty-four".