3721677 has 4 divisors (see below), whose sum is σ = 4962240. Its totient is φ = 2481116.

The previous prime is 3721673. The next prime is 3721717. The reversal of 3721677 is 7761273.

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 3721677 - 2² = 3721673 is a prime.

It is a D-number.

3721677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620277 + ... + 620282.

It is an arithmetic number, because the mean of its divisors is an integer number (1240560).

Almost surely, 2^3721677 is an apocalyptic number.

It is an amenable number.

3721677 is a deficient number, since it is larger than the sum of its proper divisors (1240563).

3721677 is a wasteful number, since it uses less digits than its factorization.

3721677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240562.

The product of its digits is 12348, while the sum is 33.

The square root of 3721677 is about 1929.1648452115. The cubic root of 3721677 is about 154.9694979869.

The spelling of 3721677 in words is "three million, seven hundred twenty-one thousand, six hundred seventy-seven".