3705429 has 32 divisors (see below), whose sum is σ = 6227200. Its totient is φ = 1947456.

The previous prime is 3705421. The next prime is 3705431. The reversal of 3705429 is 9245073.

It is not a de Polignac number, because 3705429 - 2³ = 3705421 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 3705396 and 3705405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13239 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (194600).

Almost surely, 2^3705429 is an apocalyptic number.

3705429 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3705429 is a deficient number, since it is larger than the sum of its proper divisors (2521771).

3705429 is a wasteful number, since it uses less digits than its factorization.

3705429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3705429 is about 1924.9490902359. The cubic root of 3705429 is about 154.7436484057.

The spelling of 3705429 in words is "three million, seven hundred five thousand, four hundred twenty-nine".