3723725 has 6 divisors (see below), whose sum is σ = 4617450. Its totient is φ = 2978960.

The previous prime is 3723721. The next prime is 3723739. The reversal of 3723725 is 5273273.

It can be written as a sum of positive squares in 3 ways, for example, as 857476 + 2866249 = 926^2 + 1693^2 .

It is not a de Polignac number, because 3723725 - 2² = 3723721 is a prime.

It is a super-2 number, since 2×3723725² = 27732255751250, which contains 22 as substring.

It is an Ulam number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 74450 + ... + 74499.

It is an arithmetic number, because the mean of its divisors is an integer number (769575).

Almost surely, 2^3723725 is an apocalyptic number.

It is an amenable number.

3723725 is a deficient number, since it is larger than the sum of its proper divisors (893725).

3723725 is a wasteful number, since it uses less digits than its factorization.

3723725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148959 (or 148954 counting only the distinct ones).

The product of its digits is 8820, while the sum is 29.

The square root of 3723725 is about 1929.6955718455. The cubic root of 3723725 is about 154.9979188066.

Adding to 3723725 its reverse (5273273), we get a palindrome (8996998).

The spelling of 3723725 in words is "three million, seven hundred twenty-three thousand, seven hundred twenty-five".