709042471 has 4 divisors (see below), whose sum is σ = 721060200. Its totient is φ = 697024744.

The previous prime is 709042469. The next prime is 709042519. The reversal of 709042471 is 174240907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174240907 = 89 ⋅1957763.

It is a cyclic number.

It is not a de Polignac number, because 709042471 - 2¹ = 709042469 is a prime.

It is a super-3 number, since 3×709042471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709072471) 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, 6008776 + ... + 6008893.

It is an arithmetic number, because the mean of its divisors is an integer number (180265050).

Almost surely, 2^709042471 is an apocalyptic number.

709042471 is a deficient number, since it is larger than the sum of its proper divisors (12017729).

709042471 is a wasteful number, since it uses less digits than its factorization.

709042471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12017728.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 709042471 is about 26627.8514153884. The cubic root of 709042471 is about 891.7109162462.

The spelling of 709042471 in words is "seven hundred nine million, forty-two thousand, four hundred seventy-one".