72162060 has 48 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 19132864.

The previous prime is 72162049. The next prime is 72162071. The reversal of 72162060 is 6026127.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72162049) and next prime (72162071).

It is a self number, because there is not a number n which added to its sum of digits gives 72162060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7381 + ... + 14099.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^72162060 is an apocalyptic number.

It is an amenable number.

72162060 is an abundant number, since it is smaller than the sum of its proper divisors (131050740).

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

72162060 is a wasteful number, since it uses less digits than its factorization.

72162060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910 (or 6908 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72162060 is about 8494.8254837872. The cubic root of 72162060 is about 416.3286588536.

Adding to 72162060 its reverse (6026127), we get a palindrome (78188187).

The spelling of 72162060 in words is "seventy-two million, one hundred sixty-two thousand, sixty".