3706520 has 32 divisors (see below), whose sum is σ = 8780400. Its totient is φ = 1404288.

The previous prime is 3706499. The next prime is 3706529. The reversal of 3706520 is 256073.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1679 + ... + 3198.

Almost surely, 2^3706520 is an apocalyptic number.

It is an amenable number.

3706520 is an abundant number, since it is smaller than the sum of its proper divisors (5073880).

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

3706520 is a wasteful number, since it uses less digits than its factorization.

3706520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907 (or 4903 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 3706520 is about 1925.2324534975. The cubic root of 3706520 is about 154.7588341196.

The spelling of 3706520 in words is "three million, seven hundred six thousand, five hundred twenty".