71413730 has 16 divisors (see below), whose sum is σ = 128642040. Its totient is φ = 28543872.

The previous prime is 71413721. The next prime is 71413807. The reversal of 71413730 is 3731417.

It can be written as a sum of positive squares in 4 ways, for example, as 44983849 + 26429881 = 6707^2 + 5141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71413730.

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, 21416 + ... + 24524.

Almost surely, 2^71413730 is an apocalyptic number.

71413730 is a deficient number, since it is larger than the sum of its proper divisors (57228310).

71413730 is a wasteful number, since it uses less digits than its factorization.

71413730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 71413730 is about 8450.6644709159. The cubic root of 71413730 is about 414.8845277997.

The spelling of 71413730 in words is "seventy-one million, four hundred thirteen thousand, seven hundred thirty".