3642734 has 8 divisors (see below), whose sum is σ = 5472480. Its totient is φ = 1818576.

The previous prime is 3642733. The next prime is 3642739. The reversal of 3642734 is 4372463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3642697 and 3642706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (684060).

Almost surely, 2^3642734 is an apocalyptic number.

3642734 is a deficient number, since it is larger than the sum of its proper divisors (1829746).

3642734 is a wasteful number, since it uses less digits than its factorization.

3642734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

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

The square root of 3642734 is about 1908.5947710292. The cubic root of 3642734 is about 153.8659371867.

The spelling of 3642734 in words is "three million, six hundred forty-two thousand, seven hundred thirty-four".