3664745 has 8 divisors (see below), whose sum is σ = 5025984. Its totient is φ = 2512944.

The previous prime is 3664723. The next prime is 3664747. The reversal of 3664745 is 5474663.

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

It is not a de Polignac number, because 3664745 - 2⁶ = 3664681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 104707 = 3664745 / (3 + 6 + 6 + 4 + 7 + 4 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3664747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52319 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (628248).

Almost surely, 2^3664745 is an apocalyptic number.

3664745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3664745 is a deficient number, since it is larger than the sum of its proper divisors (1361239).

3664745 is a wasteful number, since it uses less digits than its factorization.

3664745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104719.

The product of its digits is 60480, while the sum is 35.

The square root of 3664745 is about 1914.3523709077. The cubic root of 3664745 is about 154.1752236140.

The spelling of 3664745 in words is "three million, six hundred sixty-four thousand, seven hundred forty-five".