3723723 has 12 divisors (see below), whose sum is σ = 5612880. Its totient is φ = 2374416.

The previous prime is 3723721. The next prime is 3723739. The reversal of 3723723 is 3273273.

It is a happy number.

3723723 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 3723723 - 2¹ = 3723721 is a prime.

It is a super-2 number, since 2×3723723² = 27732225961458, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3723721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8788 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (467740).

Almost surely, 2^3723723 is an apocalyptic number.

3723723 is a deficient number, since it is larger than the sum of its proper divisors (1889157).

3723723 is a wasteful number, since it uses less digits than its factorization.

3723723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18018 (or 18015 counting only the distinct ones).

The product of its digits is 5292, while the sum is 27.

The square root of 3723723 is about 1929.6950536289. The cubic root of 3723723 is about 154.9978910570.

Adding to 3723723 its reverse (3273273), we get a palindrome (6996996).

It can be divided in two parts, 372 and 3723, that added together give a triangular number (4095 = T₉₀).

The spelling of 3723723 in words is "three million, seven hundred twenty-three thousand, seven hundred twenty-three".