3397365720 has 512 divisors, whose sum is σ = 13499136000. Its totient is φ = 744007680.

The previous prime is 3397365709. The next prime is 3397365743. The reversal of 3397365720 is 275637933.

3397365720 is a `hidden beast` number, since 3 + 3 + 9 + 73 + 6 + 572 + 0 = 666.

It is a super-2 number, since 2×3397365720² = 23084187670862236800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24441411 + ... + 24441549.

It is an arithmetic number, because the mean of its divisors is an integer number (26365500).

Almost surely, 2^3397365720 is an apocalyptic number.

3397365720 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 3397365720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6749568000).

3397365720 is an abundant number, since it is smaller than the sum of its proper divisors (10101770280).

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

3397365720 is a wasteful number, since it uses less digits than its factorization.

3397365720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 45.

The square root of 3397365720 is about 58286.9258067365. The cubic root of 3397365720 is about 1503.3061475717.

The spelling of 3397365720 in words is "three billion, three hundred ninety-seven million, three hundred sixty-five thousand, seven hundred twenty".