71001315 has 96 divisors (see below), whose sum is σ = 158625792. Its totient is φ = 28512000.

The previous prime is 71001311. The next prime is 71001317. The reversal of 71001315 is 51310017.

It is a happy number.

It is not a de Polignac number, because 71001315 - 2² = 71001311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71001311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107085 + ... + 107745.

It is an arithmetic number, because the mean of its divisors is an integer number (1652352).

Almost surely, 2^71001315 is an apocalyptic number.

71001315 is an abundant number, since it is smaller than the sum of its proper divisors (87624477).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71001315 is a wasteful number, since it uses less digits than its factorization.

71001315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 71001315 is about 8426.2278037091. The cubic root of 71001315 is about 414.0843313469.

The spelling of 71001315 in words is "seventy-one million, one thousand, three hundred fifteen".