3472646520 has 128 divisors (see below), whose sum is σ = 11918845440. Its totient is φ = 792906240.

The previous prime is 3472646519. The next prime is 3472646543. The reversal of 3472646520 is 256462743.

It is a super-2 number, since 2×3472646520² = 24118547705736220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151815 + ... + 1154825.

It is an arithmetic number, because the mean of its divisors is an integer number (93115980).

Almost surely, 2^3472646520 is an apocalyptic number.

3472646520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3472646520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5959422720).

3472646520 is an abundant number, since it is smaller than the sum of its proper divisors (8446198920).

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

3472646520 is a wasteful number, since it uses less digits than its factorization.

3472646520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 3472646520 is about 58929.1652749299. The cubic root of 3472646520 is about 1514.3288381996.

The spelling of 3472646520 in words is "three billion, four hundred seventy-two million, six hundred forty-six thousand, five hundred twenty".