3642743 has 16 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 3095040.

The previous prime is 3642739. The next prime is 3642791. The reversal of 3642743 is 3472463.

It is a happy number.

It is not a de Polignac number, because 3642743 - 2² = 3642739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11558 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

Almost surely, 2^3642743 is an apocalyptic number.

3642743 is a deficient number, since it is larger than the sum of its proper divisors (602953).

3642743 is a wasteful number, since it uses less digits than its factorization.

3642743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 12096, while the sum is 29.

The square root of 3642743 is about 1908.5971287833. The cubic root of 3642743 is about 153.8660639040.

The spelling of 3642743 in words is "three million, six hundred forty-two thousand, seven hundred forty-three".