3535678720 has 144 divisors (see below), whose sum is σ = 9777253248. Its totient is φ = 1199923200.

The previous prime is 3535678709. The next prime is 3535678721. The reversal of 3535678720 is 278765353.

It is a super-2 number, since 2×3535678720² = 25002048022121676800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3535678721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903007 + ... + 906913.

It is an arithmetic number, because the mean of its divisors is an integer number (67897592).

Almost surely, 2^3535678720 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 3535678720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4888626624).

3535678720 is an abundant number, since it is smaller than the sum of its proper divisors (6241574528).

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

3535678720 is a wasteful number, since it uses less digits than its factorization.

3535678720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 3535678720 is about 59461.5734739672. The cubic root of 3535678720 is about 1523.4361781578.

The spelling of 3535678720 in words is "three billion, five hundred thirty-five million, six hundred seventy-eight thousand, seven hundred twenty".