71498429 has 2 divisors, whose sum is σ = 71498430. Its totient is φ = 71498428.

The previous prime is 71498423. The next prime is 71498473. The reversal of 71498429 is 92489417.

It is an a-pointer prime, because the next prime (71498473) can be obtained adding 71498429 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 4831204 = 8165^2 + 2198^2 .

It is a cyclic number.

It is not a de Polignac number, because 71498429 - 2⁸ = 71498173 is a prime.

It is a super-2 number, since 2×71498429² = 10224050698936082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71498429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71498423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35749214 + 35749215.

It is an arithmetic number, because the mean of its divisors is an integer number (35749215).

Almost surely, 2^71498429 is an apocalyptic number.

It is an amenable number.

71498429 is a deficient number, since it is larger than the sum of its proper divisors (1).

71498429 is an equidigital number, since it uses as much as digits as its factorization.

71498429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 71498429 is about 8455.6743669562. The cubic root of 71498429 is about 415.0484851660.

The spelling of 71498429 in words is "seventy-one million, four hundred ninety-eight thousand, four hundred twenty-nine".