3702720 has 224 divisors, whose sum is σ = 14630400. Its totient is φ = 774144.

The previous prime is 3702697. The next prime is 3702757. The reversal of 3702720 is 272073.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127666 + ... + 127694.

Almost surely, 2^3702720 is an apocalyptic number.

3702720 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 3702720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7315200).

3702720 is an abundant number, since it is smaller than the sum of its proper divisors (10927680).

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

3702720 is a wasteful number, since it uses less digits than its factorization.

3702720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 3702720 is about 1924.2453066072. The cubic root of 3702720 is about 154.7059287298.

Adding to 3702720 its reverse (272073), we get a palindrome (3974793).

The spelling of 3702720 in words is "three million, seven hundred two thousand, seven hundred twenty".