3705975 has 72 divisors (see below), whose sum is σ = 8214752. Its totient is φ = 1555200.

The previous prime is 3705959. The next prime is 3706009. The reversal of 3705975 is 5795073.

3705975 = T₁₀₅ + T₁₀₆ + ... + T₂₈₅.

It is not a de Polignac number, because 3705975 - 2⁴ = 3705959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20385 + ... + 20565.

Almost surely, 2^3705975 is an apocalyptic number.

3705975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3705975 is an abundant number, since it is smaller than the sum of its proper divisors (4508777).

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

3705975 is a wasteful number, since it uses less digits than its factorization.

3705975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 3705975 is about 1925.0909069444. The cubic root of 3705975 is about 154.7512485947.

The spelling of 3705975 in words is "three million, seven hundred five thousand, nine hundred seventy-five".