3245337720 has 192 divisors, whose sum is σ = 11076549120. Its totient is φ = 822488832.

The previous prime is 3245337671. The next prime is 3245337721. The reversal of 3245337720 is 277335423.

3245337720 is a `hidden beast` number, since 32 + 4 + 533 + 77 + 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 (3245337721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1381587 + ... + 1383933.

It is an arithmetic number, because the mean of its divisors is an integer number (57690360).

Almost surely, 2^3245337720 is an apocalyptic number.

3245337720 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 3245337720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5538274560).

3245337720 is an abundant number, since it is smaller than the sum of its proper divisors (7831211400).

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

3245337720 is a wasteful number, since it uses less digits than its factorization.

3245337720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

The square root of 3245337720 is about 56967.8656788193. The cubic root of 3245337720 is about 1480.5393882504.

The spelling of 3245337720 in words is "three billion, two hundred forty-five million, three hundred thirty-seven thousand, seven hundred twenty".