72442297196 has 24 divisors (see below), whose sum is σ = 133471590000. Its totient is φ = 34308278784.

The previous prime is 72442297181. The next prime is 72442297201. The reversal of 72442297196 is 69179224427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326660 + ... + 501588.

It is an arithmetic number, because the mean of its divisors is an integer number (5561316250).

Almost surely, 2^72442297196 is an apocalyptic number.

72442297196 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72442297196 is a deficient number, since it is larger than the sum of its proper divisors (61029292804).

72442297196 is a wasteful number, since it uses less digits than its factorization.

72442297196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180401 (or 180399 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The spelling of 72442297196 in words is "seventy-two billion, four hundred forty-two million, two hundred ninety-seven thousand, one hundred ninety-six".