3696720 has 80 divisors (see below), whose sum is σ = 11671872. Its totient is φ = 967680.

The previous prime is 3696713. The next prime is 3696727. The reversal of 3696720 is 276963.

It is an interprime number because it is at equal distance from previous prime (3696713) and next prime (3696727).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696727) 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, 17415 + ... + 17625.

Almost surely, 2^3696720 is an apocalyptic number.

3696720 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 3696720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835936).

3696720 is an abundant number, since it is smaller than the sum of its proper divisors (7975152).

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

3696720 is a wasteful number, since it uses less digits than its factorization.

3696720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 3696720 is about 1922.6856217281. The cubic root of 3696720 is about 154.6223201570.

The spelling of 3696720 in words is "three million, six hundred ninety-six thousand, seven hundred twenty".