71428603 has 2 divisors, whose sum is σ = 71428604. Its totient is φ = 71428602.

The previous prime is 71428589. The next prime is 71428607. The reversal of 71428603 is 30682417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71428603 - 2⁵ = 71428571 is a prime.

It is equal to p_4197109 and since 71428603 and 4197109 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71428607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35714301 + 35714302.

It is an arithmetic number, because the mean of its divisors is an integer number (35714302).

Almost surely, 2^71428603 is an apocalyptic number.

71428603 is a deficient number, since it is larger than the sum of its proper divisors (1).

71428603 is an equidigital number, since it uses as much as digits as its factorization.

71428603 is an odious number, because the sum of its binary digits is odd.

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

The square root of 71428603 is about 8451.5444150759. The cubic root of 71428603 is about 414.9133278137.

The spelling of 71428603 in words is "seventy-one million, four hundred twenty-eight thousand, six hundred three".