7643042 has 8 divisors (see below), whose sum is σ = 12506832. Its totient is φ = 3474100.

The previous prime is 7643039. The next prime is 7643057. The reversal of 7643042 is 2403467.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173684 + ... + 173727.

It is an arithmetic number, because the mean of its divisors is an integer number (1563354).

Almost surely, 2^7643042 is an apocalyptic number.

7643042 is a deficient number, since it is larger than the sum of its proper divisors (4863790).

7643042 is a wasteful number, since it uses less digits than its factorization.

7643042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347424.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 7643042 is about 2764.6052159395. The cubic root of 7643042 is about 196.9799768358.

The spelling of 7643042 in words is "seven million, six hundred forty-three thousand, forty-two".