3756540 has 48 divisors (see below), whose sum is σ = 10618272. Its totient is φ = 992256.

The previous prime is 3756527. The next prime is 3756551. The reversal of 3756540 is 456573.

It is a super-2 number, since 2×3756540² = 28223185543200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3756498 and 3756507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7992 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (221214).

Almost surely, 2^3756540 is an apocalyptic number.

3756540 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 3756540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5309136).

3756540 is an abundant number, since it is smaller than the sum of its proper divisors (6861732).

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

3756540 is a wasteful number, since it uses less digits than its factorization.

3756540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 3756540 is about 1938.1795582453. The cubic root of 3756540 is about 155.4518897358.

The spelling of 3756540 in words is "three million, seven hundred fifty-six thousand, five hundred forty".