71413605 has 24 divisors (see below), whose sum is σ = 124004088. Its totient is φ = 38019456.

The previous prime is 71413577. The next prime is 71413607. The reversal of 71413605 is 50631417.

It can be written as a sum of positive squares in 4 ways, for example, as 298116 + 71115489 = 546^2 + 8433^2 .

It is not a de Polignac number, because 71413605 - 2⁷ = 71413477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71413607) 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 23 ways as a sum of consecutive naturals, for example, 33759 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (5166837).

Almost surely, 2^71413605 is an apocalyptic number.

It is an amenable number.

71413605 is a deficient number, since it is larger than the sum of its proper divisors (52590483).

71413605 is a wasteful number, since it uses less digits than its factorization.

71413605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 71413605 is about 8450.6570750445. The cubic root of 71413605 is about 414.8842857333.

The spelling of 71413605 in words is "seventy-one million, four hundred thirteen thousand, six hundred five".