71373315 has 32 divisors (see below), whose sum is σ = 126959616. Its totient is φ = 34001280.

The previous prime is 71373311. The next prime is 71373317. The reversal of 71373315 is 51337317.

It is not a de Polignac number, because 71373315 - 2² = 71373311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71373311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (3967488).

Almost surely, 2^71373315 is an apocalyptic number.

71373315 is a deficient number, since it is larger than the sum of its proper divisors (55586301).

71373315 is a wasteful number, since it uses less digits than its factorization.

71373315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859.

The product of its digits is 6615, while the sum is 30.

The square root of 71373315 is about 8448.2729004217. The cubic root of 71373315 is about 414.8062481642.

The spelling of 71373315 in words is "seventy-one million, three hundred seventy-three thousand, three hundred fifteen".