3545680 has 80 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 1295360.

The previous prime is 3545629. The next prime is 3545693. The reversal of 3545680 is 865453.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75417 + ... + 75463.

Almost surely, 2^3545680 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 3545680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712).

3545680 is an abundant number, since it is smaller than the sum of its proper divisors (5453744).

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

3545680 is a wasteful number, since it uses less digits than its factorization.

3545680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 3545680 is about 1882.9976101950. The cubic root of 3545680 is about 152.4871260296.

It can be divided in two parts, 3545 and 680, that added together give a square (4225 = 65²).

The spelling of 3545680 in words is "three million, five hundred forty-five thousand, six hundred eighty".