72089926 has 4 divisors (see below), whose sum is σ = 108134892. Its totient is φ = 36044962.

The previous prime is 72089893. The next prime is 72089929. The reversal of 72089926 is 62998027.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72089929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18022480 + ... + 18022483.

It is an arithmetic number, because the mean of its divisors is an integer number (27033723).

Almost surely, 2^72089926 is an apocalyptic number.

72089926 is a deficient number, since it is larger than the sum of its proper divisors (36044966).

72089926 is a wasteful number, since it uses less digits than its factorization.

72089926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36044965.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 72089926 is about 8490.5786610808. The cubic root of 72089926 is about 416.1898903483.

The spelling of 72089926 in words is "seventy-two million, eighty-nine thousand, nine hundred twenty-six".