673736670 has 32 divisors (see below), whose sum is σ = 1796631840. Its totient is φ = 179663040.

The previous prime is 673736669. The next prime is 673736711. The reversal of 673736670 is 76637376.

673736670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×673736670² = 907842201005377800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247391 + ... + 1247930.

It is an arithmetic number, because the mean of its divisors is an integer number (56144745).

Almost surely, 2^673736670 is an apocalyptic number.

673736670 is an abundant number, since it is smaller than the sum of its proper divisors (1122895170).

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

673736670 is a wasteful number, since it uses less digits than its factorization.

673736670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495337 (or 2495331 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The square root of 673736670 is about 25956.4379297314. The cubic root of 673736670 is about 876.6577205318.

The spelling of 673736670 in words is "six hundred seventy-three million, seven hundred thirty-six thousand, six hundred seventy".