671273433 has 16 divisors (see below), whose sum is σ = 999980800. Its totient is φ = 445039920.

The previous prime is 671273417. The next prime is 671273467. The reversal of 671273433 is 334372176.

It is not a de Polignac number, because 671273433 - 2⁴ = 671273417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671273633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63793 + ... + 73566.

It is an arithmetic number, because the mean of its divisors is an integer number (62498800).

Almost surely, 2^671273433 is an apocalyptic number.

It is an amenable number.

671273433 is a deficient number, since it is larger than the sum of its proper divisors (328707367).

671273433 is a wasteful number, since it uses less digits than its factorization.

671273433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137549 (or 137543 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 671273433 is about 25908.9450383453. The cubic root of 671273433 is about 875.5880381392.

The spelling of 671273433 in words is "six hundred seventy-one million, two hundred seventy-three thousand, four hundred thirty-three".