3162720 has 96 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 765440.

The previous prime is 3162703. The next prime is 3162727. The reversal of 3162720 is 272613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162727) 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, 4981 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

Almost surely, 2^3162720 is an apocalyptic number.

3162720 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 3162720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443200).

3162720 is an abundant number, since it is smaller than the sum of its proper divisors (7723680).

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

3162720 is a wasteful number, since it uses less digits than its factorization.

3162720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3162720 is about 1778.4037786734. The cubic root of 3162720 is about 146.7867703085.

The spelling of 3162720 in words is "three million, one hundred sixty-two thousand, seven hundred twenty".