72021727498 has 8 divisors (see below), whose sum is σ = 123465818592. Its totient is φ = 30866454636.

The previous prime is 72021727489. The next prime is 72021727501. The reversal of 72021727498 is 89472712027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572204540 + ... + 2572204567.

It is an arithmetic number, because the mean of its divisors is an integer number (15433227324).

Almost surely, 2^72021727498 is an apocalyptic number.

72021727498 is a deficient number, since it is larger than the sum of its proper divisors (51444091094).

72021727498 is a wasteful number, since it uses less digits than its factorization.

72021727498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144409116.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 72021727498 in words is "seventy-two billion, twenty-one million, seven hundred twenty-seven thousand, four hundred ninety-eight".