3487007628 has 72 divisors (see below), whose sum is σ = 9586523856. Its totient is φ = 1062288000.

The previous prime is 3487007543. The next prime is 3487007633. The reversal of 3487007628 is 8267007843.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10383 + ... + 84153.

Almost surely, 2^3487007628 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 3487007628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4793261928).

3487007628 is an abundant number, since it is smaller than the sum of its proper divisors (6099516228).

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

3487007628 is a wasteful number, since it uses less digits than its factorization.

3487007628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73895 (or 73890 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 3487007628 is about 59050.8901541713. The cubic root of 3487007628 is about 1516.4134663311.

The spelling of 3487007628 in words is "three billion, four hundred eighty-seven million, seven thousand, six hundred twenty-eight".