671267433 has 4 divisors (see below), whose sum is σ = 895023248. Its totient is φ = 447511620.

The previous prime is 671267417. The next prime is 671267461. The reversal of 671267433 is 334762176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 671267433 - 2⁴ = 671267417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671267391 and 671267400.

It is not an unprimeable number, because it can be changed into a prime (671267413) 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, 111877903 + ... + 111877908.

It is an arithmetic number, because the mean of its divisors is an integer number (223755812).

Almost surely, 2^671267433 is an apocalyptic number.

It is an amenable number.

671267433 is a deficient number, since it is larger than the sum of its proper divisors (223755815).

671267433 is a wasteful number, since it uses less digits than its factorization.

671267433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223755814.

The product of its digits is 127008, while the sum is 39.

The square root of 671267433 is about 25908.8292479610. The cubic root of 671267433 is about 875.5854293941.

The spelling of 671267433 in words is "six hundred seventy-one million, two hundred sixty-seven thousand, four hundred thirty-three".