71513067 has 16 divisors (see below), whose sum is σ = 101861280. Its totient is φ = 44470272.

The previous prime is 71513051. The next prime is 71513069. The reversal of 71513067 is 76031517.

It is not a de Polignac number, because 71513067 - 2⁴ = 71513051 is a prime.

It is a super-2 number, since 2×71513067² = 10228237503492978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71513069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (6366330).

Almost surely, 2^71513067 is an apocalyptic number.

71513067 is a deficient number, since it is larger than the sum of its proper divisors (30348213).

71513067 is a wasteful number, since it uses less digits than its factorization.

71513067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 71513067 is about 8456.5398952527. The cubic root of 71513067 is about 415.0768077704.

The spelling of 71513067 in words is "seventy-one million, five hundred thirteen thousand, sixty-seven".