673737012 has 72 divisors (see below), whose sum is σ = 1893265920. Its totient is φ = 200612160.

The previous prime is 673737011. The next prime is 673737023. The reversal of 673737012 is 210737376.

It is a super-2 number, since 2×673737012² = 907843122677376288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673737011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8712 + ... + 37727.

It is an arithmetic number, because the mean of its divisors is an integer number (26295360).

Almost surely, 2^673737012 is an apocalyptic number.

673737012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

673737012 is an abundant number, since it is smaller than the sum of its proper divisors (1219528908).

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

673737012 is a wasteful number, since it uses less digits than its factorization.

673737012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46493 (or 46488 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 673737012 is about 25956.4445176916. Note that the first 3 decimals coincide. The cubic root of 673737012 is about 876.6578688671.

The spelling of 673737012 in words is "six hundred seventy-three million, seven hundred thirty-seven thousand, twelve".