673972416 has 84 divisors (see below), whose sum is σ = 2080444912. Its totient is φ = 207373824.

The previous prime is 673972297. The next prime is 673972417. The reversal of 673972416 is 614279376.

It is not an unprimeable number, because it can be changed into a prime (673972417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37516 + ... + 52491.

Almost surely, 2^673972416 is an apocalyptic number.

It is an amenable number.

673972416 is an abundant number, since it is smaller than the sum of its proper divisors (1406472496).

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

673972416 is a wasteful number, since it uses less digits than its factorization.

673972416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90038 (or 90025 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 673972416 is about 25960.9787180684. The cubic root of 673972416 is about 876.7599585227.

The spelling of 673972416 in words is "six hundred seventy-three million, nine hundred seventy-two thousand, four hundred sixteen".