72605044 has 12 divisors (see below), whose sum is σ = 127120644. Its totient is φ = 36284864.

The previous prime is 72605041. The next prime is 72605051. The reversal of 72605044 is 44050627.

It can be written as a sum of positive squares in 2 ways, for example, as 29833444 + 42771600 = 5462^2 + 6540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72605041) 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, 10242 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (10593387).

Almost surely, 2^72605044 is an apocalyptic number.

It is an amenable number.

72605044 is a deficient number, since it is larger than the sum of its proper divisors (54515600).

72605044 is a wasteful number, since it uses less digits than its factorization.

72605044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834 (or 8832 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 72605044 is about 8520.8593463336. The cubic root of 72605044 is about 417.1788324467.

The spelling of 72605044 in words is "seventy-two million, six hundred five thousand, forty-four".