7047971 has 4 divisors (see below), whose sum is σ = 8054832. Its totient is φ = 6041112.

The previous prime is 7047967. The next prime is 7047973. The reversal of 7047971 is 1797407.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7047971 - 2² = 7047967 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7047973) 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, 503420 + ... + 503433.

It is an arithmetic number, because the mean of its divisors is an integer number (2013708).

Almost surely, 2^7047971 is an apocalyptic number.

7047971 is a deficient number, since it is larger than the sum of its proper divisors (1006861).

7047971 is a wasteful number, since it uses less digits than its factorization.

7047971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006860.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 7047971 is about 2654.8014991709. The cubic root of 7047971 is about 191.7291011052.

The spelling of 7047971 in words is "seven million, forty-seven thousand, nine hundred seventy-one".