3721377 has 16 divisors (see below), whose sum is σ = 5649408. Its totient is φ = 2156880.

The previous prime is 3721363. The next prime is 3721379. The reversal of 3721377 is 7731273.

It is not a de Polignac number, because 3721377 - 2¹¹ = 3719329 is a prime.

It is a super-2 number, since 2×3721377² = 27697293552258, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3721379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693 + ... + 3210.

It is an arithmetic number, because the mean of its divisors is an integer number (353088).

Almost surely, 2^3721377 is an apocalyptic number.

It is an amenable number.

3721377 is a deficient number, since it is larger than the sum of its proper divisors (1928031).

3721377 is a wasteful number, since it uses less digits than its factorization.

3721377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940.

The product of its digits is 6174, while the sum is 30.

The square root of 3721377 is about 1929.0870897914. The cubic root of 3721377 is about 154.9653339054.

The spelling of 3721377 in words is "three million, seven hundred twenty-one thousand, three hundred seventy-seven".