673638822 has 16 divisors (see below), whose sum is σ = 1496975280. Its totient is φ = 224546256.

The previous prime is 673638809. The next prime is 673638859. The reversal of 673638822 is 228836376.

673638822 is a `hidden beast` number, since 6 + 7 + 3 + 638 + 8 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6237343 + ... + 6237450.

It is an arithmetic number, because the mean of its divisors is an integer number (93560955).

Almost surely, 2^673638822 is an apocalyptic number.

673638822 is an abundant number, since it is smaller than the sum of its proper divisors (823336458).

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

673638822 is a wasteful number, since it uses less digits than its factorization.

673638822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474804 (or 12474798 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 673638822 is about 25954.5530109844. The cubic root of 673638822 is about 876.6152789462.

The spelling of 673638822 in words is "six hundred seventy-three million, six hundred thirty-eight thousand, eight hundred twenty-two".