670137263 has 8 divisors (see below), whose sum is σ = 719552160. Its totient is φ = 621832960.

The previous prime is 670137253. The next prime is 670137289. The reversal of 670137263 is 362731076.

It is a happy number.

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 670137263 - 2¹⁰ = 670136239 is a prime.

It is a super-2 number, since 2×670137263² = 898167902522262338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670137203) 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, 276398 + ... + 278811.

It is an arithmetic number, because the mean of its divisors is an integer number (89944020).

Almost surely, 2^670137263 is an apocalyptic number.

670137263 is a deficient number, since it is larger than the sum of its proper divisors (49414897).

670137263 is a wasteful number, since it uses less digits than its factorization.

670137263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555297.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 670137263 is about 25887.0095414669. The cubic root of 670137263 is about 875.0937643193.

The spelling of 670137263 in words is "six hundred seventy million, one hundred thirty-seven thousand, two hundred sixty-three".