8709049072 has 20 divisors (see below), whose sum is σ = 16875277056. Its totient is φ = 4354138880.

The previous prime is 8709049039. The next prime is 8709049091. The reversal of 8709049072 is 2709409078.

It is a super-2 number, since 2×8709049072² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 273672 + ... + 303832.

Almost surely, 2^8709049072 is an apocalyptic number.

It is an amenable number.

8709049072 is a deficient number, since it is larger than the sum of its proper divisors (8166227984).

8709049072 is a wasteful number, since it uses less digits than its factorization.

8709049072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48216 (or 48210 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 8709049072 is about 93322.2860414381. The cubic root of 8709049072 is about 2057.4229464344.

The spelling of 8709049072 in words is "eight billion, seven hundred nine million, forty-nine thousand, seventy-two".