3705420 has 24 divisors (see below), whose sum is σ = 10375344. Its totient is φ = 988096.

The previous prime is 3705409. The next prime is 3705421. The reversal of 3705420 is 245073.

It is a happy number.

3705420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 30819 + ... + 30938.

It is an arithmetic number, because the mean of its divisors is an integer number (432306).

Almost surely, 2^3705420 is an apocalyptic number.

3705420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3705420 is an abundant number, since it is smaller than the sum of its proper divisors (6669924).

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

3705420 is a wasteful number, since it uses less digits than its factorization.

3705420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61769 (or 61767 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3705420 is about 1924.9467525103. The cubic root of 3705420 is about 154.7435231216.

The spelling of 3705420 in words is "three million, seven hundred five thousand, four hundred twenty".