7042247 has 4 divisors (see below), whose sum is σ = 7232616. Its totient is φ = 6851880.

The previous prime is 7042229. The next prime is 7042253. The reversal of 7042247 is 7422407.

7042247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7422407 = 19 ⋅390653.

It is a cyclic number.

It is not a de Polignac number, because 7042247 - 2⁶ = 7042183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042207) 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, 95129 + ... + 95202.

It is an arithmetic number, because the mean of its divisors is an integer number (1808154).

Almost surely, 2^7042247 is an apocalyptic number.

7042247 is a deficient number, since it is larger than the sum of its proper divisors (190369).

7042247 is a wasteful number, since it uses less digits than its factorization.

7042247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190368.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7042247 is about 2653.7232334967. The cubic root of 7042247 is about 191.6771828719.

The spelling of 7042247 in words is "seven million, forty-two thousand, two hundred forty-seven".