72228767480 has 16 divisors (see below), whose sum is σ = 162514726920. Its totient is φ = 28891506976.

The previous prime is 72228767473. The next prime is 72228767579. The reversal of 72228767480 is 8476782227.

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 3 ways as a sum of consecutive naturals, for example, 902859554 + ... + 902859633.

Almost surely, 2^72228767480 is an apocalyptic number.

It is an amenable number.

72228767480 is an abundant number, since it is smaller than the sum of its proper divisors (90285959440).

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

72228767480 is a wasteful number, since it uses less digits than its factorization.

72228767480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805719198 (or 1805719194 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 53.

The spelling of 72228767480 in words is "seventy-two billion, two hundred twenty-eight million, seven hundred sixty-seven thousand, four hundred eighty".