673479511 has 4 divisors (see below), whose sum is σ = 683531512. Its totient is φ = 663427512.

The previous prime is 673479493. The next prime is 673479523. The reversal of 673479511 is 115974376.

673479511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 673479511 - 2¹⁵ = 673446743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673479011) 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, 5025900 + ... + 5026033.

It is an arithmetic number, because the mean of its divisors is an integer number (170882878).

Almost surely, 2^673479511 is an apocalyptic number.

673479511 is a deficient number, since it is larger than the sum of its proper divisors (10052001).

673479511 is a wasteful number, since it uses less digits than its factorization.

673479511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052000.

The product of its digits is 158760, while the sum is 43.

The square root of 673479511 is about 25951.4837918759. The cubic root of 673479511 is about 876.5461689807.

The spelling of 673479511 in words is "six hundred seventy-three million, four hundred seventy-nine thousand, five hundred eleven".