670840373 has 8 divisors (see below), whose sum is σ = 769142400. Its totient is φ = 573155280.

The previous prime is 670840351. The next prime is 670840397. The reversal of 670840373 is 373048076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670840373 - 2⁶ = 670840309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670840273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151898 + ... + 156251.

It is an arithmetic number, because the mean of its divisors is an integer number (96142800).

Almost surely, 2^670840373 is an apocalyptic number.

It is an amenable number.

670840373 is a deficient number, since it is larger than the sum of its proper divisors (98302027).

670840373 is a wasteful number, since it uses less digits than its factorization.

670840373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308467.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 670840373 is about 25900.5863447143. The cubic root of 670840373 is about 875.3997076679.

The spelling of 670840373 in words is "six hundred seventy million, eight hundred forty thousand, three hundred seventy-three".