3740561 has 16 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 3148800.

The previous prime is 3740557. The next prime is 3740567. The reversal of 3740561 is 1650473.

It is a cyclic number.

It is not a de Polignac number, because 3740561 - 2² = 3740557 is a prime.

3740561 is a modest number, since divided by 561 gives 374 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 3740561.

It is not an unprimeable number, because it can be changed into a prime (3740567) 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, 15401 + ... + 15641.

It is an arithmetic number, because the mean of its divisors is an integer number (274428).

Almost surely, 2^3740561 is an apocalyptic number.

It is an amenable number.

3740561 is a deficient number, since it is larger than the sum of its proper divisors (650287).

3740561 is a wasteful number, since it uses less digits than its factorization.

3740561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 3740561 is about 1934.0529982397. The cubic root of 3740561 is about 155.2311639203.

The spelling of 3740561 in words is "three million, seven hundred forty thousand, five hundred sixty-one".