7730947 has 8 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 6513864.

The previous prime is 7730923. The next prime is 7730953. The reversal of 7730947 is 7490377.

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

It is not a de Polignac number, because 7730947 - 2⁷ = 7730819 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 (7730917) 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, 8947 + ... + 9772.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^7730947 is an apocalyptic number.

7730947 is a deficient number, since it is larger than the sum of its proper divisors (1254653).

7730947 is a wasteful number, since it uses less digits than its factorization.

7730947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 7730947 is about 2780.4580557887. The cubic root of 7730947 is about 197.7322759885.

The spelling of 7730947 in words is "seven million, seven hundred thirty thousand, nine hundred forty-seven".