4772731 has 2 divisors, whose sum is σ = 4772732. Its totient is φ = 4772730.

The previous prime is 4772717. The next prime is 4772759. The reversal of 4772731 is 1372774.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4772731 is a prime.

It is a super-2 number, since 2×4772731² = 45557922396722, which contains 22 as substring.

It is equal to p₃₃₃₆₇₉ and since 4772731 and 333679 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4772693 and 4772702.

It is not a weakly prime, because it can be changed into another prime (4772771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2386365 + 2386366.

It is an arithmetic number, because the mean of its divisors is an integer number (2386366).

Almost surely, 2^4772731 is an apocalyptic number.

4772731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4772731 is an equidigital number, since it uses as much as digits as its factorization.

4772731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232, while the sum is 31.

The square root of 4772731 is about 2184.6580968197. The cubic root of 4772731 is about 168.3664878220.

The spelling of 4772731 in words is "four million, seven hundred seventy-two thousand, seven hundred thirty-one".