673737456 has 60 divisors (see below), whose sum is σ = 2024656872. Its totient is φ = 192495744.

The previous prime is 673737443. The next prime is 673737479. The reversal of 673737456 is 654737376.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140875 + ... + 145578.

Almost surely, 2^673737456 is an apocalyptic number.

It is an amenable number.

673737456 is an abundant number, since it is smaller than the sum of its proper divisors (1350919416).

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

673737456 is a wasteful number, since it uses less digits than its factorization.

673737456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286478 (or 286465 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 48.

The square root of 673737456 is about 25956.4530704794. The cubic root of 673737456 is about 876.6580614428.

The spelling of 673737456 in words is "six hundred seventy-three million, seven hundred thirty-seven thousand, four hundred fifty-six".