72223499792 has 10 divisors (see below), whose sum is σ = 139933030878. Its totient is φ = 36111749888.

The previous prime is 72223499791. The next prime is 72223499801. The reversal of 72223499792 is 29799432227.

It can be written as a sum of positive squares in only one way, i.e., 65585161216 + 6638338576 = 256096^2 + 81476^2 .

It is not an unprimeable number, because it can be changed into a prime (72223499791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256984353 + ... + 2256984384.

Almost surely, 2^72223499792 is an apocalyptic number.

It is an amenable number.

72223499792 is a deficient number, since it is larger than the sum of its proper divisors (67709531086).

72223499792 is a wasteful number, since it uses less digits than its factorization.

72223499792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513968745 (or 4513968739 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 56.

The spelling of 72223499792 in words is "seventy-two billion, two hundred twenty-three million, four hundred ninety-nine thousand, seven hundred ninety-two".