728362147 has 2 divisors, whose sum is σ = 728362148. Its totient is φ = 728362146.

The previous prime is 728362123. The next prime is 728362153. The reversal of 728362147 is 741263827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728362147 - 2²³ = 719973539 is a prime.

It is a super-2 number, since 2×728362147² = 1061022834364899218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (728362177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364181073 + 364181074.

It is an arithmetic number, because the mean of its divisors is an integer number (364181074).

Almost surely, 2^728362147 is an apocalyptic number.

728362147 is a deficient number, since it is larger than the sum of its proper divisors (1).

728362147 is an equidigital number, since it uses as much as digits as its factorization.

728362147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 728362147 is about 26988.1853224703. The cubic root of 728362147 is about 899.7374324590.

The spelling of 728362147 in words is "seven hundred twenty-eight million, three hundred sixty-two thousand, one hundred forty-seven".