709479423 has 24 divisors (see below), whose sum is σ = 1059277440. Its totient is φ = 457116480.

The previous prime is 709479409. The next prime is 709479451. The reversal of 709479423 is 324974907.

709479423 is a `hidden beast` number, since 70 + 94 + 79 + 423 = 666.

It is not a de Polignac number, because 709479423 - 2⁹ = 709478911 is a prime.

It is a super-2 number, since 2×709479423² = 1006722103320825858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709479493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308265 + ... + 310557.

It is an arithmetic number, because the mean of its divisors is an integer number (44136560).

Almost surely, 2^709479423 is an apocalyptic number.

709479423 is a deficient number, since it is larger than the sum of its proper divisors (349798017).

709479423 is a wasteful number, since it uses less digits than its factorization.

709479423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 709479423 is about 26636.0549443794. The cubic root of 709479423 is about 891.8940528345.

The spelling of 709479423 in words is "seven hundred nine million, four hundred seventy-nine thousand, four hundred twenty-three".