72089134 has 16 divisors (see below), whose sum is σ = 116861472. Its totient is φ = 33154848.

The previous prime is 72089131. The next prime is 72089177. The reversal of 72089134 is 43198027.

It is a self number, because there is not a number n which added to its sum of digits gives 72089134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72089131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2887 + ... + 12349.

It is an arithmetic number, because the mean of its divisors is an integer number (7303842).

Almost surely, 2^72089134 is an apocalyptic number.

72089134 is a deficient number, since it is larger than the sum of its proper divisors (44772338).

72089134 is a wasteful number, since it uses less digits than its factorization.

72089134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72089134 is about 8490.5320210220. The cubic root of 72089134 is about 416.1883662167.

The spelling of 72089134 in words is "seventy-two million, eighty-nine thousand, one hundred thirty-four".