673457730 has 32 divisors (see below), whose sum is σ = 1763235648. Its totient is φ = 163262400.

The previous prime is 673457723. The next prime is 673457731. The reversal of 673457730 is 37754376.

It is not an unprimeable number, because it can be changed into a prime (673457731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020061 + ... + 1020720.

It is an arithmetic number, because the mean of its divisors is an integer number (55101114).

Almost surely, 2^673457730 is an apocalyptic number.

673457730 is an abundant number, since it is smaller than the sum of its proper divisors (1089777918).

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

673457730 is a wasteful number, since it uses less digits than its factorization.

673457730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040802.

The product of its (nonzero) digits is 370440, while the sum is 42.

The square root of 673457730 is about 25951.0641400309. The cubic root of 673457730 is about 876.5367194193.

It can be divided in two parts, 673 and 457730, that added together give a triangular number (458403 = T₉₅₇).

The spelling of 673457730 in words is "six hundred seventy-three million, four hundred fifty-seven thousand, seven hundred thirty".