3705345 has 40 divisors (see below), whose sum is σ = 7596864. Its totient is φ = 1692576.

The previous prime is 3705343. The next prime is 3705347. The reversal of 3705345 is 5435073.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3705343) and next prime (3705347).

It is not a de Polignac number, because 3705345 - 2¹ = 3705343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3705343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2182 + ... + 3488.

Almost surely, 2^3705345 is an apocalyptic number.

3705345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3705345 is an abundant number, since it is smaller than the sum of its proper divisors (3891519).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3705345 is a wasteful number, since it uses less digits than its factorization.

3705345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 3705345 is about 1924.9272713534. The cubic root of 3705345 is about 154.7424790796.

The spelling of 3705345 in words is "three million, seven hundred five thousand, three hundred forty-five".