3579921972 has 216 divisors, whose sum is σ = 10271089920. Its totient is φ = 1050192000.

The previous prime is 3579921949. The next prime is 3579922001. The reversal of 3579921972 is 2791299753.

3579921972 is a `hidden beast` number, since 357 + 9 + 9 + 219 + 72 = 666.

Its product of digits (2143260) is a multiple of the sum of its prime factors (315).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34756473 + ... + 34756575.

Almost surely, 2^3579921972 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 3579921972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5135544960).

3579921972 is an abundant number, since it is smaller than the sum of its proper divisors (6691167948).

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

3579921972 is a wasteful number, since it uses less digits than its factorization.

3579921972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 299 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 3579921972 is about 59832.4491559555. The cubic root of 3579921972 is about 1529.7642953576.

The spelling of 3579921972 in words is "three billion, five hundred seventy-nine million, nine hundred twenty-one thousand, nine hundred seventy-two".