670653373 has 4 divisors (see below), whose sum is σ = 722242108. Its totient is φ = 619064640.

The previous prime is 670653371. The next prime is 670653397. The reversal of 670653373 is 373356076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42549529 + 628103844 = 6523^2 + 25062^2 .

It is a cyclic number.

It is not a de Polignac number, because 670653373 - 2¹ = 670653371 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 (670653371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25794348 + ... + 25794373.

It is an arithmetic number, because the mean of its divisors is an integer number (180560527).

Almost surely, 2^670653373 is an apocalyptic number.

It is an amenable number.

670653373 is a deficient number, since it is larger than the sum of its proper divisors (51588735).

670653373 is a wasteful number, since it uses less digits than its factorization.

670653373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51588734.

The product of its (nonzero) digits is 238140, while the sum is 40.

The square root of 670653373 is about 25896.9761362210. The cubic root of 670653373 is about 875.3183594740.

The spelling of 670653373 in words is "six hundred seventy million, six hundred fifty-three thousand, three hundred seventy-three".