7944542 has 8 divisors (see below), whose sum is σ = 12617856. Its totient is φ = 3738592.

The previous prime is 7944533. The next prime is 7944553. The reversal of 7944542 is 2454497.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116798 + ... + 116865.

It is an arithmetic number, because the mean of its divisors is an integer number (1577232).

Almost surely, 2^7944542 is an apocalyptic number.

7944542 is a deficient number, since it is larger than the sum of its proper divisors (4673314).

7944542 is a wasteful number, since it uses less digits than its factorization.

7944542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233682.

The product of its digits is 40320, while the sum is 35.

The square root of 7944542 is about 2818.6063932376. The cubic root of 7944542 is about 199.5367779550.

The spelling of 7944542 in words is "seven million, nine hundred forty-four thousand, five hundred forty-two".