673400351 has 8 divisors (see below), whose sum is σ = 738884160. Its totient is φ = 609871392.

The previous prime is 673400341. The next prime is 673400389. The reversal of 673400351 is 153004376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 673400351 - 2¹⁰ = 673399327 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 (673400341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487991 + ... + 489368.

It is an arithmetic number, because the mean of its divisors is an integer number (92360520).

Almost surely, 2^673400351 is an apocalyptic number.

673400351 is a deficient number, since it is larger than the sum of its proper divisors (65483809).

673400351 is a wasteful number, since it uses less digits than its factorization.

673400351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977425.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 673400351 is about 25949.9585934159. The cubic root of 673400351 is about 876.5118248953.

The spelling of 673400351 in words is "six hundred seventy-three million, four hundred thousand, three hundred fifty-one".