71430115 has 4 divisors (see below), whose sum is σ = 85716144. Its totient is φ = 57144088.

The previous prime is 71430109. The next prime is 71430119. The reversal of 71430115 is 51103417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51103417 = 3779 ⋅13523.

It is a cyclic number.

It is not a de Polignac number, because 71430115 - 2¹⁷ = 71299043 is a prime.

It is a super-2 number, since 2×71430115² = 10204522657826450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71430119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143007 + ... + 7143016.

It is an arithmetic number, because the mean of its divisors is an integer number (21429036).

Almost surely, 2^71430115 is an apocalyptic number.

71430115 is a deficient number, since it is larger than the sum of its proper divisors (14286029).

71430115 is a wasteful number, since it uses less digits than its factorization.

71430115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14286028.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 71430115 is about 8451.6338657090. The cubic root of 71430115 is about 414.9162554202.

The spelling of 71430115 in words is "seventy-one million, four hundred thirty thousand, one hundred fifteen".