673147431 has 12 divisors (see below), whose sum is σ = 1060717320. Its totient is φ = 407968080.

The previous prime is 673147427. The next prime is 673147439. The reversal of 673147431 is 134741376.

673147431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673147431 - 2² = 673147427 is a prime.

It is a super-2 number, since 2×673147431² = 906254927723799522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673147439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3399636 + ... + 3399833.

It is an arithmetic number, because the mean of its divisors is an integer number (88393110).

Almost surely, 2^673147431 is an apocalyptic number.

673147431 is a deficient number, since it is larger than the sum of its proper divisors (387569889).

673147431 is a wasteful number, since it uses less digits than its factorization.

673147431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799486 (or 6799483 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 673147431 is about 25945.0849102484. The cubic root of 673147431 is about 876.4020758530.

The spelling of 673147431 in words is "six hundred seventy-three million, one hundred forty-seven thousand, four hundred thirty-one".