673349420 has 12 divisors (see below), whose sum is σ = 1414033824. Its totient is φ = 269339760.

The previous prime is 673349407. The next prime is 673349423. The reversal of 673349420 is 24943376.

It is not an unprimeable number, because it can be changed into a prime (673349423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16833716 + ... + 16833755.

It is an arithmetic number, because the mean of its divisors is an integer number (117836152).

Almost surely, 2^673349420 is an apocalyptic number.

It is an amenable number.

673349420 is an abundant number, since it is smaller than the sum of its proper divisors (740684404).

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

673349420 is a wasteful number, since it uses less digits than its factorization.

673349420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33667480 (or 33667478 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 673349420 is about 25948.9772438144. The cubic root of 673349420 is about 876.4897267239.

The spelling of 673349420 in words is "six hundred seventy-three million, three hundred forty-nine thousand, four hundred twenty".