71490607 has 2 divisors, whose sum is σ = 71490608. Its totient is φ = 71490606.

The previous prime is 71490589. The next prime is 71490637. The reversal of 71490607 is 70609417.

It is a weak prime.

It is an emirp because it is prime and its reverse (70609417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71490607 - 2⁷ = 71490479 is a prime.

It is a super-2 number, since 2×71490607² = 10221813778456898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71490637) 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, 35745303 + 35745304.

It is an arithmetic number, because the mean of its divisors is an integer number (35745304).

Almost surely, 2^71490607 is an apocalyptic number.

71490607 is a deficient number, since it is larger than the sum of its proper divisors (1).

71490607 is an equidigital number, since it uses as much as digits as its factorization.

71490607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 71490607 is about 8455.2118246677. The cubic root of 71490607 is about 415.0333490402.

The spelling of 71490607 in words is "seventy-one million, four hundred ninety thousand, six hundred seven".