4727791 has 2 divisors, whose sum is σ = 4727792. Its totient is φ = 4727790.

The previous prime is 4727771. The next prime is 4727797. The reversal of 4727791 is 1977274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4727791 - 2⁹ = 4727279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4727791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4727797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2363895 + 2363896.

It is an arithmetic number, because the mean of its divisors is an integer number (2363896).

Almost surely, 2^4727791 is an apocalyptic number.

4727791 is a deficient number, since it is larger than the sum of its proper divisors (1).

4727791 is an equidigital number, since it uses as much as digits as its factorization.

4727791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 37.

The square root of 4727791 is about 2174.3484081444. The cubic root of 4727791 is about 167.8363746062.

The spelling of 4727791 in words is "four million, seven hundred twenty-seven thousand, seven hundred ninety-one".