107572721905 has 8 divisors (see below), whose sum is σ = 140822472384. Its totient is φ = 78234706800.

The previous prime is 107572721891. The next prime is 107572721929. The reversal of 107572721905 is 509127275701.

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

It is not a de Polignac number, because 107572721905 - 2⁷ = 107572721777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977933781 + ... + 977933890.

It is an arithmetic number, because the mean of its divisors is an integer number (17602809048).

Almost surely, 2^107572721905 is an apocalyptic number.

It is an amenable number.

107572721905 is a deficient number, since it is larger than the sum of its proper divisors (33249750479).

107572721905 is a wasteful number, since it uses less digits than its factorization.

107572721905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955867687.

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 107572721905 in words is "one hundred seven billion, five hundred seventy-two million, seven hundred twenty-one thousand, nine hundred five".