3179421872 has 80 divisors (see below), whose sum is σ = 7181460000. Its totient is φ = 1347563520.

The previous prime is 3179421863. The next prime is 3179421881. The reversal of 3179421872 is 2781249713.

It is an interprime number because it is at equal distance from previous prime (3179421863) and next prime (3179421881).

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 321254 + ... + 331002.

It is an arithmetic number, because the mean of its divisors is an integer number (89768250).

Almost surely, 2^3179421872 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 3179421872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3590730000).

3179421872 is an abundant number, since it is smaller than the sum of its proper divisors (4002038128).

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

3179421872 is a wasteful number, since it uses less digits than its factorization.

3179421872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894 (or 9888 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 3179421872 is about 56386.3624646953. The cubic root of 3179421872 is about 1470.4470345098.

The spelling of 3179421872 in words is "three billion, one hundred seventy-nine million, four hundred twenty-one thousand, eight hundred seventy-two".