72118002 has 32 divisors (see below), whose sum is σ = 158243904. Its totient is φ = 21729600.

The previous prime is 72117979. The next prime is 72118003. The reversal of 72118002 is 20081127.

It is a self number, because there is not a number n which added to its sum of digits gives 72118002.

It is not an unprimeable number, because it can be changed into a prime (72118003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8928 + ... + 14964.

It is an arithmetic number, because the mean of its divisors is an integer number (4945122).

Almost surely, 2^72118002 is an apocalyptic number.

72118002 is an abundant number, since it is smaller than the sum of its proper divisors (86125902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72118002 is a wasteful number, since it uses less digits than its factorization.

72118002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 72118002 is about 8492.2318621196. The cubic root of 72118002 is about 416.2439128329.

Adding to 72118002 its reverse (20081127), we get a palindrome (92199129).

The spelling of 72118002 in words is "seventy-two million, one hundred eighteen thousand, two".