71190673 has 2 divisors, whose sum is σ = 71190674. Its totient is φ = 71190672.

The previous prime is 71190667. The next prime is 71190683. The reversal of 71190673 is 37609117.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47444544 + 23746129 = 6888^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 71190673 - 2¹³ = 71182481 is a prime.

It is a super-2 number, since 2×71190673² = 10136223844385858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71190643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35595336 + 35595337.

It is an arithmetic number, because the mean of its divisors is an integer number (35595337).

Almost surely, 2^71190673 is an apocalyptic number.

It is an amenable number.

71190673 is a deficient number, since it is larger than the sum of its proper divisors (1).

71190673 is an equidigital number, since it uses as much as digits as its factorization.

71190673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 71190673 is about 8437.4565480363. The cubic root of 71190673 is about 414.4521206767.

The spelling of 71190673 in words is "seventy-one million, one hundred ninety thousand, six hundred seventy-three".