3692720 has 40 divisors (see below), whose sum is σ = 8868480. Its totient is φ = 1428480.

The previous prime is 3692701. The next prime is 3692737. The reversal of 3692720 is 272963.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (221712).

Almost surely, 2^3692720 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 3692720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4434240).

3692720 is an abundant number, since it is smaller than the sum of its proper divisors (5175760).

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

3692720 is a wasteful number, since it uses less digits than its factorization.

3692720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3692720 is about 1921.6451285292. The cubic root of 3692720 is about 154.5665308364.

The spelling of 3692720 in words is "three million, six hundred ninety-two thousand, seven hundred twenty".