8461672736 has 48 divisors (see below), whose sum is σ = 18251539488. Its totient is φ = 3829670400.

The previous prime is 8461672727. The next prime is 8461672753. The reversal of 8461672736 is 6372761648.

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, 30431 + ... + 133601.

It is an arithmetic number, because the mean of its divisors is an integer number (380240406).

Almost surely, 2^8461672736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8461672736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9125769744).

8461672736 is an abundant number, since it is smaller than the sum of its proper divisors (9789866752).

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

8461672736 is a wasteful number, since it uses less digits than its factorization.

8461672736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103425 (or 103417 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 8461672736 is about 91987.3509565310. The cubic root of 8461672736 is about 2037.7555039890.

The spelling of 8461672736 in words is "eight billion, four hundred sixty-one million, six hundred seventy-two thousand, seven hundred thirty-six".