3705642 has 32 divisors (see below), whose sum is σ = 8304960. Its totient is φ = 1224720.

The previous prime is 3705629. The next prime is 3705659. The reversal of 3705642 is 2465073.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8592 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (259530).

Almost surely, 2^3705642 is an apocalyptic number.

3705642 is an abundant number, since it is smaller than the sum of its proper divisors (4599318).

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

3705642 is a wasteful number, since it uses less digits than its factorization.

3705642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 589 counting only the distinct ones).

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

The square root of 3705642 is about 1925.0044155794. The cubic root of 3705642 is about 154.7466134034.

The spelling of 3705642 in words is "three million, seven hundred five thousand, six hundred forty-two".