8103708072 has 64 divisors (see below), whose sum is σ = 22548240000. Its totient is φ = 2696683392.

The previous prime is 8103708037. The next prime is 8103708101. The reversal of 8103708072 is 2708073018.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98068 + ... + 160700.

It is an arithmetic number, because the mean of its divisors is an integer number (352316250).

Almost surely, 2^8103708072 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 8103708072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11274120000).

8103708072 is an abundant number, since it is smaller than the sum of its proper divisors (14444531928).

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

8103708072 is a wasteful number, since it uses less digits than its factorization.

8103708072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63247 (or 63237 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 8103708072 is about 90020.5980428924. The cubic root of 8103708072 is about 2008.6052609731.

The spelling of 8103708072 in words is "eight billion, one hundred three million, seven hundred eight thousand, seventy-two".