72044134 has 16 divisors (see below), whose sum is σ = 111386016. Its totient is φ = 34926400.

The previous prime is 72044101. The next prime is 72044153. The reversal of 72044134 is 43144027.

It is a junction number, because it is equal to n+sod(n) for n = 72044099 and 72044108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11064 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (6961626).

Almost surely, 2^72044134 is an apocalyptic number.

72044134 is a deficient number, since it is larger than the sum of its proper divisors (39341882).

72044134 is a wasteful number, since it uses less digits than its factorization.

72044134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 72044134 is about 8487.8815967236. The cubic root of 72044134 is about 416.1017494885.

The spelling of 72044134 in words is "seventy-two million, forty-four thousand, one hundred thirty-four".