673503071 has 4 divisors (see below), whose sum is σ = 675655152. Its totient is φ = 671350992.

The previous prime is 673503067. The next prime is 673503121. The reversal of 673503071 is 170305376.

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 673503071 - 2² = 673503067 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 (673503001) 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, 1075571 + ... + 1076196.

It is an arithmetic number, because the mean of its divisors is an integer number (168913788).

Almost surely, 2^673503071 is an apocalyptic number.

673503071 is a deficient number, since it is larger than the sum of its proper divisors (2152081).

673503071 is a wasteful number, since it uses less digits than its factorization.

673503071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152080.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 673503071 is about 25951.9377118550. The cubic root of 673503071 is about 876.5563901216.

The spelling of 673503071 in words is "six hundred seventy-three million, five hundred three thousand, seventy-one".