673554347 has 4 divisors (see below), whose sum is σ = 673606416. Its totient is φ = 673502280.

The previous prime is 673554337. The next prime is 673554353. The reversal of 673554347 is 743455376.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673554347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673554298 and 673554307.

It is not an unprimeable number, because it can be changed into a prime (673554317) 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, 9938 + ... + 38024.

It is an arithmetic number, because the mean of its divisors is an integer number (168401604).

Almost surely, 2^673554347 is an apocalyptic number.

673554347 is a deficient number, since it is larger than the sum of its proper divisors (52069).

673554347 is a wasteful number, since it uses less digits than its factorization.

673554347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52068.

The product of its digits is 1058400, while the sum is 44.

The square root of 673554347 is about 25952.9255961635. The cubic root of 673554347 is about 876.5786345957.

The spelling of 673554347 in words is "six hundred seventy-three million, five hundred fifty-four thousand, three hundred forty-seven".