3731005 has 8 divisors (see below), whose sum is σ = 4621824. Its totient is φ = 2888400.

The previous prime is 3731003. The next prime is 3731009. The reversal of 3731005 is 5001373.

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

It is not a de Polignac number, because 3731005 - 2¹ = 3731003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11881 + ... + 12190.

It is an arithmetic number, because the mean of its divisors is an integer number (577728).

Almost surely, 2^3731005 is an apocalyptic number.

It is an amenable number.

3731005 is a deficient number, since it is larger than the sum of its proper divisors (890819).

3731005 is a wasteful number, since it uses less digits than its factorization.

3731005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24107.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 3731005 is about 1931.5809586968. The cubic root of 3731005 is about 155.0988616621.

Adding to 3731005 its reverse (5001373), we get a palindrome (8732378).

It can be divided in two parts, 373 and 1005, that added together give a triangular number (1378 = T₅₂).

The spelling of 3731005 in words is "three million, seven hundred thirty-one thousand, five".