3736665 has 32 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 1964160.

The previous prime is 3736639. The next prime is 3736669. The reversal of 3736665 is 5666373.

It is not a de Polignac number, because 3736665 - 2⁸ = 3736409 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

3736665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3736669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11860 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

Almost surely, 2^3736665 is an apocalyptic number.

It is an amenable number.

3736665 is a deficient number, since it is larger than the sum of its proper divisors (3002535).

3736665 is a wasteful number, since it uses less digits than its factorization.

3736665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 408 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 3736665 is about 1933.0455245545. The cubic root of 3736665 is about 155.1772512668.

The spelling of 3736665 in words is "three million, seven hundred thirty-six thousand, six hundred sixty-five".