72111346 has 8 divisors (see below), whose sum is σ = 113860080. Its totient is φ = 34157988.

The previous prime is 72111343. The next prime is 72111379. The reversal of 72111346 is 64311127.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72111346.

It is not an unprimeable number, because it can be changed into a prime (72111341) 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, 948796 + ... + 948871.

It is an arithmetic number, because the mean of its divisors is an integer number (14232510).

Almost surely, 2^72111346 is an apocalyptic number.

72111346 is a deficient number, since it is larger than the sum of its proper divisors (41748734).

72111346 is a wasteful number, since it uses less digits than its factorization.

72111346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897688.

The product of its digits is 1008, while the sum is 25.

The square root of 72111346 is about 8491.8399655198. The cubic root of 72111346 is about 416.2311069470.

The spelling of 72111346 in words is "seventy-two million, one hundred eleven thousand, three hundred forty-six".