3773729 has 4 divisors (see below), whose sum is σ = 3793476. Its totient is φ = 3753984.

The previous prime is 3773713. The next prime is 3773743. The reversal of 3773729 is 9273773.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2096704 + 1677025 = 1448^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 3773729 - 2⁴ = 3773713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3773692 and 3773701.

It is not an unprimeable number, because it can be changed into a prime (3773129) 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, 9584 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (948369).

Almost surely, 2^3773729 is an apocalyptic number.

It is an amenable number.

3773729 is a deficient number, since it is larger than the sum of its proper divisors (19747).

3773729 is a wasteful number, since it uses less digits than its factorization.

3773729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746.

The product of its digits is 55566, while the sum is 38.

The square root of 3773729 is about 1942.6088129111. The cubic root of 3773729 is about 155.6886321721.

The spelling of 3773729 in words is "three million, seven hundred seventy-three thousand, seven hundred twenty-nine".