673209036 has 48 divisors (see below), whose sum is σ = 1762666080. Its totient is φ = 222177600.

The previous prime is 673209023. The next prime is 673209049. The reversal of 673209036 is 630902376.

It is an interprime number because it is at equal distance from previous prime (673209023) and next prime (673209049).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19951 + ... + 41766.

It is an arithmetic number, because the mean of its divisors is an integer number (36722210).

Almost surely, 2^673209036 is an apocalyptic number.

It is an amenable number.

673209036 is an abundant number, since it is smaller than the sum of its proper divisors (1089457044).

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

673209036 is a wasteful number, since it uses less digits than its factorization.

673209036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61831 (or 61823 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 673209036 is about 25946.2721021730. The cubic root of 673209036 is about 876.4288105130.

The spelling of 673209036 in words is "six hundred seventy-three million, two hundred nine thousand, thirty-six".