71472179329 has 4 divisors (see below), whose sum is σ = 71482000176. Its totient is φ = 71462358484.

The previous prime is 71472179291. The next prime is 71472179347. The reversal of 71472179329 is 92397127417.

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: 92397127417 = 7 ⋅13199589631.

It is a cyclic number.

It is not a de Polignac number, because 71472179329 - 2²⁷ = 71337961601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71472179629) 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, 4899499 + ... + 4914064.

It is an arithmetic number, because the mean of its divisors is an integer number (17870500044).

Almost surely, 2^71472179329 is an apocalyptic number.

It is an amenable number.

71472179329 is a deficient number, since it is larger than the sum of its proper divisors (9820847).

71472179329 is an equidigital number, since it uses as much as digits as its factorization.

71472179329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820846.

The product of its digits is 1333584, while the sum is 52.

The spelling of 71472179329 in words is "seventy-one billion, four hundred seventy-two million, one hundred seventy-nine thousand, three hundred twenty-nine".