7128463 has 2 divisors, whose sum is σ = 7128464. Its totient is φ = 7128462.

The previous prime is 7128437. The next prime is 7128467. The reversal of 7128463 is 3648217.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7128463 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7128467) 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, 3564231 + 3564232.

It is an arithmetic number, because the mean of its divisors is an integer number (3564232).

Almost surely, 2^7128463 is an apocalyptic number.

7128463 is a deficient number, since it is larger than the sum of its proper divisors (1).

7128463 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 13 representation: 7128463 = (1627834)₁₃.

7128463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 7128463 is about 2669.9181635398. The cubic root of 7128463 is about 192.4562266242.

It can be divided in two parts, 712 and 8463, that multiplied together give a triangular number (6025656 = T₃₄₇₁).

The spelling of 7128463 in words is "seven million, one hundred twenty-eight thousand, four hundred sixty-three".