72198202932 has 48 divisors (see below), whose sum is σ = 190712249280. Its totient is φ = 23611989024.

The previous prime is 72198202913. The next prime is 72198202997. The reversal of 72198202932 is 23920289127.

It is a happy number.

It is a super-2 number, since 2×72198202932² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 6300898 + ... + 6312345.

It is an arithmetic number, because the mean of its divisors is an integer number (3973171860).

Almost surely, 2^72198202932 is an apocalyptic number.

It is an amenable number.

72198202932 is an abundant number, since it is smaller than the sum of its proper divisors (118514046348).

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

72198202932 is a wasteful number, since it uses less digits than its factorization.

72198202932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613309 (or 12613301 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 72198202932 in words is "seventy-two billion, one hundred ninety-eight million, two hundred two thousand, nine hundred thirty-two".