71613417 has 4 divisors (see below), whose sum is σ = 95484560. Its totient is φ = 47742276.

The previous prime is 71613403. The next prime is 71613427. The reversal of 71613417 is 71431617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71431617 = 3 ⋅23810539.

It is not a de Polignac number, because 71613417 - 2¹⁰ = 71612393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71613427) 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, 11935567 + ... + 11935572.

It is an arithmetic number, because the mean of its divisors is an integer number (23871140).

Almost surely, 2^71613417 is an apocalyptic number.

It is an amenable number.

71613417 is a deficient number, since it is larger than the sum of its proper divisors (23871143).

71613417 is a wasteful number, since it uses less digits than its factorization.

71613417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23871142.

The product of its digits is 3528, while the sum is 30.

The square root of 71613417 is about 8462.4710930082. The cubic root of 71613417 is about 415.2708678284.

The spelling of 71613417 in words is "seventy-one million, six hundred thirteen thousand, four hundred seventeen".