71499417 has 16 divisors (see below), whose sum is σ = 104267520. Its totient is φ = 43221200.

The previous prime is 71499403. The next prime is 71499427.

71499417 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 71499417 - 2⁶ = 71499353 is a prime.

It is a super-2 number, since 2×71499417² = 10224333262679778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71499427) 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, 11242 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (6516720).

Almost surely, 2^71499417 is an apocalyptic number.

It is an amenable number.

71499417 is a deficient number, since it is larger than the sum of its proper divisors (32768103).

71499417 is a wasteful number, since it uses less digits than its factorization.

71499417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604.

The product of its digits is 63504, while the sum is 42.

The square root of 71499417 is about 8455.7327890609. The cubic root of 71499417 is about 415.0503969376.

The spelling of 71499417 in words is "seventy-one million, four hundred ninety-nine thousand, four hundred seventeen".