71363290 has 16 divisors (see below), whose sum is σ = 130560840. Its totient is φ = 28077120.

The previous prime is 71363239. The next prime is 71363291. The reversal of 71363290 is 9236317.

It can be written as a sum of positive squares in 4 ways, for example, as 61168041 + 10195249 = 7821^2 + 3193^2 .

It is not an unprimeable number, because it can be changed into a prime (71363291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57885 + ... + 59104.

Almost surely, 2^71363290 is an apocalyptic number.

71363290 is a deficient number, since it is larger than the sum of its proper divisors (59197550).

71363290 is a wasteful number, since it uses less digits than its factorization.

71363290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117057.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 71363290 is about 8447.6795630516. The cubic root of 71363290 is about 414.7868262120.

The spelling of 71363290 in words is "seventy-one million, three hundred sixty-three thousand, two hundred ninety".