673772346 has 48 divisors (see below), whose sum is σ = 1577066400. Its totient is φ = 206664480.

The previous prime is 673772317. The next prime is 673772347. The reversal of 673772346 is 643277376.

It is not an unprimeable number, because it can be changed into a prime (673772347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73105 + ... + 81803.

It is an arithmetic number, because the mean of its divisors is an integer number (32855550).

Almost surely, 2^673772346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673772346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788533200).

673772346 is an abundant number, since it is smaller than the sum of its proper divisors (903294054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673772346 is a wasteful number, since it uses less digits than its factorization.

673772346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051 (or 9048 counting only the distinct ones).

The product of its digits is 889056, while the sum is 45.

The square root of 673772346 is about 25957.1251489837. The cubic root of 673772346 is about 876.6731939802.

The spelling of 673772346 in words is "six hundred seventy-three million, seven hundred seventy-two thousand, three hundred forty-six".