3740645 has 8 divisors (see below), whose sum is σ = 4519800. Its totient is φ = 2971840.

The previous prime is 3740609. The next prime is 3740669. The reversal of 3740645 is 5460473.

It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 3323329 = 646^2 + 1823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3740645 - 2¹⁴ = 3724261 is a prime.

It is a Curzon 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, 1766 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (564975).

Almost surely, 2^3740645 is an apocalyptic number.

It is an amenable number.

3740645 is a deficient number, since it is larger than the sum of its proper divisors (779155).

3740645 is a wasteful number, since it uses less digits than its factorization.

3740645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3740645 is about 1934.0747141721. The cubic root of 3740645 is about 155.2323258957.

The spelling of 3740645 in words is "three million, seven hundred forty thousand, six hundred forty-five".