3420725048 has 64 divisors (see below), whose sum is σ = 7361141760. Its totient is φ = 1477973376.

The previous prime is 3420725047. The next prime is 3420725081. The reversal of 3420725048 is 8405270243.

It is a junction number, because it is equal to n+sod(n) for n = 3420724999 and 3420725017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420725041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 97211 + ... + 127637.

It is an arithmetic number, because the mean of its divisors is an integer number (115017840).

Almost surely, 2^3420725048 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 3420725048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3680570880).

3420725048 is an abundant number, since it is smaller than the sum of its proper divisors (3940416712).

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

3420725048 is a wasteful number, since it uses less digits than its factorization.

3420725048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30516 (or 30512 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 3420725048 is about 58486.9647699383. The cubic root of 3420725048 is about 1506.7437172681.

The spelling of 3420725048 in words is "three billion, four hundred twenty million, seven hundred twenty-five thousand, forty-eight".