71486426 has 16 divisors (see below), whose sum is σ = 117162720. Its totient is φ = 32442480.

The previous prime is 71486423. The next prime is 71486431. The reversal of 71486426 is 62468417.

It is a super-2 number, since 2×71486426² = 10220618204506952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71486426.

It is not an unprimeable number, because it can be changed into a prime (71486423) 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 in 7 ways as a sum of consecutive naturals, for example, 14060 + ... + 18456.

It is an arithmetic number, because the mean of its divisors is an integer number (7322670).

Almost surely, 2^71486426 is an apocalyptic number.

71486426 is a deficient number, since it is larger than the sum of its proper divisors (45676294).

71486426 is a wasteful number, since it uses less digits than its factorization.

71486426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149.

The product of its digits is 64512, while the sum is 38.

The square root of 71486426 is about 8454.9645770991. The cubic root of 71486426 is about 415.0252580553.

Subtracting from 71486426 its reverse (62468417), we obtain a square (9018009 = 3003²).

The spelling of 71486426 in words is "seventy-one million, four hundred eighty-six thousand, four hundred twenty-six".