424673279 has 4 divisors (see below), whose sum is σ = 425168520. Its totient is φ = 424178040.

The previous prime is 424673273. The next prime is 424673317. The reversal of 424673279 is 972376424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424673279 - 2²⁴ = 407896063 is a prime.

It is a super-2 number, since 2×424673279² = 360694787793223682, which contains 22 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 (424673273) 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, 246332 + ... + 248049.

It is an arithmetic number, because the mean of its divisors is an integer number (106292130).

Almost surely, 2^424673279 is an apocalyptic number.

424673279 is a deficient number, since it is larger than the sum of its proper divisors (495241).

424673279 is an equidigital number, since it uses as much as digits as its factorization.

424673279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495240.

The product of its digits is 508032, while the sum is 44.

The square root of 424673279 is about 20607.6024563752. The cubic root of 424673279 is about 751.6545865144.

The spelling of 424673279 in words is "four hundred twenty-four million, six hundred seventy-three thousand, two hundred seventy-nine".