4345680 has 80 divisors (see below), whose sum is σ = 14195520. Its totient is φ = 1096704.

The previous prime is 4345669. The next prime is 4345703. The reversal of 4345680 is 865434.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4084 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (177444).

Almost surely, 2^4345680 is an apocalyptic number.

4345680 is a gapful number since it is divisible by the number (40) 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 4345680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7097760).

4345680 is an abundant number, since it is smaller than the sum of its proper divisors (9849840).

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

4345680 is a wasteful number, since it uses less digits than its factorization.

4345680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4345680 is about 2084.6294634779. The cubic root of 4345680 is about 163.1871337415.

The spelling of 4345680 in words is "four million, three hundred forty-five thousand, six hundred eighty".