72162883732 has 24 divisors (see below), whose sum is σ = 134262043776. Its totient is φ = 33861498528.

The previous prime is 72162883703. The next prime is 72162883769. The reversal of 72162883732 is 23738826127.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394928 + ... + 7404679.

It is an arithmetic number, because the mean of its divisors is an integer number (5594251824).

Almost surely, 2^72162883732 is an apocalyptic number.

It is an amenable number.

72162883732 is a deficient number, since it is larger than the sum of its proper divisors (62099160044).

72162883732 is a wasteful number, since it uses less digits than its factorization.

72162883732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14799687 (or 14799685 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The spelling of 72162883732 in words is "seventy-two billion, one hundred sixty-two million, eight hundred eighty-three thousand, seven hundred thirty-two".