673942370 has 16 divisors (see below), whose sum is σ = 1213575480. Its totient is φ = 269470464.

The previous prime is 673942333. The next prime is 673942393. The reversal of 673942370 is 73249376.

It can be written as a sum of positive squares in 4 ways, for example, as 398681089 + 275261281 = 19967^2 + 16591^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16436 + ... + 40224.

Almost surely, 2^673942370 is an apocalyptic number.

673942370 is a deficient number, since it is larger than the sum of its proper divisors (539633110).

673942370 is a wasteful number, since it uses less digits than its factorization.

673942370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26629.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 673942370 is about 25960.4000354386. The cubic root of 673942370 is about 876.7469295418.

The spelling of 673942370 in words is "six hundred seventy-three million, nine hundred forty-two thousand, three hundred seventy".