673438774 has 16 divisors (see below), whose sum is σ = 1071449280. Its totient is φ = 316559880.

The previous prime is 673438771. The next prime is 673438789. The reversal of 673438774 is 477834376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673438771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62664 + ... + 72619.

It is an arithmetic number, because the mean of its divisors is an integer number (66965580).

Almost surely, 2^673438774 is an apocalyptic number.

673438774 is a deficient number, since it is larger than the sum of its proper divisors (398010506).

673438774 is a wasteful number, since it uses less digits than its factorization.

673438774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135435.

The product of its digits is 2370816, while the sum is 49.

The square root of 673438774 is about 25950.6989115900. The cubic root of 673438774 is about 876.5284953021.

The spelling of 673438774 in words is "six hundred seventy-three million, four hundred thirty-eight thousand, seven hundred seventy-four".