72948136396 has 24 divisors (see below), whose sum is σ = 130846816800. Its totient is φ = 35571574272.

The previous prime is 72948136367. The next prime is 72948136397. The reversal of 72948136396 is 69363184927.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72948136396.

It is not an unprimeable number, because it can be changed into a prime (72948136397) by changing a digit.

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, 994821 + ... + 1065628.

It is an arithmetic number, because the mean of its divisors is an integer number (5451950700).

Almost surely, 2^72948136396 is an apocalyptic number.

It is an amenable number.

72948136396 is a deficient number, since it is larger than the sum of its proper divisors (57898680404).

72948136396 is a wasteful number, since it uses less digits than its factorization.

72948136396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060673 (or 2060671 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 58.

The spelling of 72948136396 in words is "seventy-two billion, nine hundred forty-eight million, one hundred thirty-six thousand, three hundred ninety-six".