3706425 has 72 divisors (see below), whose sum is σ = 7613600. Its totient is φ = 1762560.

The previous prime is 3706399. The next prime is 3706433. The reversal of 3706425 is 5246073.

It is a happy number.

3706425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3706425 - 2⁵ = 3706393 is a prime.

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

3706425 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 195066 + ... + 195084.

Almost surely, 2^3706425 is an apocalyptic number.

It is an amenable number.

3706425 is an abundant number, since it is smaller than the sum of its proper divisors (3907175).

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

3706425 is a wasteful number, since it uses less digits than its factorization.

3706425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3706425 is about 1925.2077809940. The cubic root of 3706425 is about 154.7575119257.

The spelling of 3706425 in words is "three million, seven hundred six thousand, four hundred twenty-five".