3425904720 has 200 divisors, whose sum is σ = 13598665344. Its totient is φ = 783053568.

The previous prime is 3425904697. The next prime is 3425904721. The reversal of 3425904720 is 274095243.

3425904720 is a `hidden beast` number, since 3 + 4 + 2 + 590 + 47 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425904721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7597 + ... + 83123.

Almost surely, 2^3425904720 is an apocalyptic number.

3425904720 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 3425904720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6799332672).

3425904720 is an abundant number, since it is smaller than the sum of its proper divisors (10172760624).

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

3425904720 is a wasteful number, since it uses less digits than its factorization.

3425904720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75559 (or 75544 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3425904720 is about 58531.2285878231. The cubic root of 3425904720 is about 1507.5038390041.

Adding to 3425904720 its reverse (274095243), we get a palindrome (3699999963).

The spelling of 3425904720 in words is "three billion, four hundred twenty-five million, nine hundred four thousand, seven hundred twenty".