72238118 has 8 divisors (see below), whose sum is σ = 108394848. Its totient is φ = 36106504.

The previous prime is 72238109. The next prime is 72238121. The reversal of 72238118 is 81183227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4880 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (13549356).

Almost surely, 2^72238118 is an apocalyptic number.

72238118 is a deficient number, since it is larger than the sum of its proper divisors (36156730).

72238118 is a wasteful number, since it uses less digits than its factorization.

72238118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558.

The product of its digits is 5376, while the sum is 32.

The square root of 72238118 is about 8499.3010300848. The cubic root of 72238118 is about 416.4748760706.

The spelling of 72238118 in words is "seventy-two million, two hundred thirty-eight thousand, one hundred eighteen".