3487721562 has 48 divisors (see below), whose sum is σ = 8183579040. Its totient is φ = 1067137056.

The previous prime is 3487721533. The next prime is 3487721579. The reversal of 3487721562 is 2651277843.

3487721562 is a `hidden beast` number, since 3 + 4 + 87 + 7 + 2 + 1 + 562 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253 + ... + 83519.

It is an arithmetic number, because the mean of its divisors is an integer number (170491230).

Almost surely, 2^3487721562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3487721562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4091789520).

3487721562 is an abundant number, since it is smaller than the sum of its proper divisors (4695857478).

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

3487721562 is a wasteful number, since it uses less digits than its factorization.

3487721562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83467 (or 83464 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 3487721562 is about 59056.9349187714. The cubic root of 3487721562 is about 1516.5169500216.

The spelling of 3487721562 in words is "three billion, four hundred eighty-seven million, seven hundred twenty-one thousand, five hundred sixty-two".