28722359474 has 8 divisors (see below), whose sum is σ = 44956736640. Its totient is φ = 13736780596.

The previous prime is 28722359459. The next prime is 28722359557. The reversal of 28722359474 is 47495322782.

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

It is a Curzon number.

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, 312199514 + ... + 312199605.

It is an arithmetic number, because the mean of its divisors is an integer number (5619592080).

Almost surely, 2^28722359474 is an apocalyptic number.

28722359474 is a deficient number, since it is larger than the sum of its proper divisors (16234377166).

28722359474 is a wasteful number, since it uses less digits than its factorization.

28722359474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624399144.

The product of its digits is 6773760, while the sum is 53.

The spelling of 28722359474 in words is "twenty-eight billion, seven hundred twenty-two million, three hundred fifty-nine thousand, four hundred seventy-four".