7942147 has 8 divisors (see below), whose sum is σ = 8071200. Its totient is φ = 7814400.

The previous prime is 7942117. The next prime is 7942163. The reversal of 7942147 is 7412497.

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

It is a cyclic number.

It is not a de Polignac number, because 7942147 - 2¹⁹ = 7417859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7942117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22323 + ... + 22675.

It is an arithmetic number, because the mean of its divisors is an integer number (1008900).

Almost surely, 2^7942147 is an apocalyptic number.

7942147 is a deficient number, since it is larger than the sum of its proper divisors (129053).

7942147 is a wasteful number, since it uses less digits than its factorization.

7942147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its digits is 14112, while the sum is 34.

The square root of 7942147 is about 2818.1815058651. The cubic root of 7942147 is about 199.5167248328.

The spelling of 7942147 in words is "seven million, nine hundred forty-two thousand, one hundred forty-seven".