3143173728 has 48 divisors (see below), whose sum is σ = 8286301296. Its totient is φ = 1043220480.

The previous prime is 3143173697. The next prime is 3143173769. The reversal of 3143173728 is 8273713413.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 47893 + ... + 92628.

It is an arithmetic number, because the mean of its divisors is an integer number (172631277).

Almost surely, 2^3143173728 is an apocalyptic number.

It is an amenable number.

3143173728 is an abundant number, since it is smaller than the sum of its proper divisors (5143127568).

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

3143173728 is a wasteful number, since it uses less digits than its factorization.

3143173728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140767 (or 140759 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 3143173728 is about 56064.0145547926. The cubic root of 3143173728 is about 1464.8375421976.

The spelling of 3143173728 in words is "three billion, one hundred forty-three million, one hundred seventy-three thousand, seven hundred twenty-eight".