3726740 has 48 divisors (see below), whose sum is σ = 8446032. Its totient is φ = 1376256.

The previous prime is 3726739. The next prime is 3726743. The reversal of 3726740 is 476273.

3726740 = 146² + 147² + ... + 242².

It can be written as a sum of positive squares in 8 ways, for example, as 274576 + 3452164 = 524^2 + 1858^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726743) 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, 32924 + ... + 33036.

It is an arithmetic number, because the mean of its divisors is an integer number (175959).

Almost surely, 2^3726740 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 3726740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4223016).

3726740 is an abundant number, since it is smaller than the sum of its proper divisors (4719292).

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

3726740 is a wasteful number, since it uses less digits than its factorization.

3726740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 3726740 is about 1930.4766250851. The cubic root of 3726740 is about 155.0397400704.

The spelling of 3726740 in words is "three million, seven hundred twenty-six thousand, seven hundred forty".