3731345 has 8 divisors (see below), whose sum is σ = 4488360. Its totient is φ = 2977920.

The previous prime is 3731341. The next prime is 3731393. The reversal of 3731345 is 5431373.

It can be written as a sum of positive squares in 4 ways, for example, as 200704 + 3530641 = 448^2 + 1879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3731345 - 2² = 3731341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3731341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2741 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (561045).

Almost surely, 2^3731345 is an apocalyptic number.

It is an amenable number.

3731345 is a deficient number, since it is larger than the sum of its proper divisors (757015).

3731345 is a wasteful number, since it uses less digits than its factorization.

3731345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 3780, while the sum is 26.

The square root of 3731345 is about 1931.6689674993. The cubic root of 3731345 is about 155.1035728156.

The spelling of 3731345 in words is "three million, seven hundred thirty-one thousand, three hundred forty-five".