71246306 has 16 divisors (see below), whose sum is σ = 108621240. Its totient is φ = 35043840.

The previous prime is 71246293. The next prime is 71246317. The reversal of 71246306 is 60364217.

It can be written as a sum of positive squares in 4 ways, for example, as 59923081 + 11323225 = 7741^2 + 3365^2 .

It is a super-2 number, since 2×71246306² = 10152072237291272, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 34100 + ... + 36128.

Almost surely, 2^71246306 is an apocalyptic number.

71246306 is a deficient number, since it is larger than the sum of its proper divisors (37374934).

71246306 is a wasteful number, since it uses less digits than its factorization.

71246306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 71246306 is about 8440.7526915554. The cubic root of 71246306 is about 414.5600524714.

The spelling of 71246306 in words is "seventy-one million, two hundred forty-six thousand, three hundred six".