7680947 has 4 divisors (see below), whose sum is σ = 7795656. Its totient is φ = 7566240.

The previous prime is 7680929. The next prime is 7680973. The reversal of 7680947 is 7490867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7490867 = 101 ⋅74167.

It is a cyclic number.

It is not a de Polignac number, because 7680947 - 2⁸ = 7680691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7680247) 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, 57254 + ... + 57387.

It is an arithmetic number, because the mean of its divisors is an integer number (1948914).

Almost surely, 2^7680947 is an apocalyptic number.

7680947 is a deficient number, since it is larger than the sum of its proper divisors (114709).

7680947 is a wasteful number, since it uses less digits than its factorization.

7680947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114708.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7680947 is about 2771.4521464388. The cubic root of 7680947 is about 197.3050749980.

The spelling of 7680947 in words is "seven million, six hundred eighty thousand, nine hundred forty-seven".