3772649 has 4 divisors (see below), whose sum is σ = 3779664. Its totient is φ = 3765636.

The previous prime is 3772633. The next prime is 3772679. The reversal of 3772649 is 9462773.

3772649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3772649 - 2⁴ = 3772633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3772619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2627 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (944916).

Almost surely, 2^3772649 is an apocalyptic number.

It is an amenable number.

3772649 is a deficient number, since it is larger than the sum of its proper divisors (7015).

3772649 is an equidigital number, since it uses as much as digits as its factorization.

3772649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014.

The product of its digits is 63504, while the sum is 38.

The square root of 3772649 is about 1942.3308163132. The cubic root of 3772649 is about 155.6737786267.

The spelling of 3772649 in words is "three million, seven hundred seventy-two thousand, six hundred forty-nine".