7143103872 has 96 divisors (see below), whose sum is σ = 20573261280. Its totient is φ = 2378923008.

The previous prime is 7143103871. The next prime is 7143103939. The reversal of 7143103872 is 2783013417.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143103871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821658 + ... + 1825574.

It is an arithmetic number, because the mean of its divisors is an integer number (214304805).

Almost surely, 2^7143103872 is an apocalyptic number.

7143103872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7143103872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10286630640).

7143103872 is an abundant number, since it is smaller than the sum of its proper divisors (13430157408).

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

7143103872 is a wasteful number, since it uses less digits than its factorization.

7143103872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7143103872 is about 84516.8851295408. The cubic root of 7143103872 is about 1925.8789596653.

The spelling of 7143103872 in words is "seven billion, one hundred forty-three million, one hundred three thousand, eight hundred seventy-two".