670948291 has 8 divisors (see below), whose sum is σ = 722771504. Its totient is φ = 619155360.

The previous prime is 670948279. The next prime is 670948309. The reversal of 670948291 is 192849076.

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 670948291 - 2⁵ = 670948259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670948241) 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, 62596 + ... + 72526.

It is an arithmetic number, because the mean of its divisors is an integer number (90346438).

Almost surely, 2^670948291 is an apocalyptic number.

670948291 is a deficient number, since it is larger than the sum of its proper divisors (51823213).

670948291 is a wasteful number, since it uses less digits than its factorization.

670948291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 670948291 is about 25902.6695728452. The cubic root of 670948291 is about 875.4466469618.

The spelling of 670948291 in words is "six hundred seventy million, nine hundred forty-eight thousand, two hundred ninety-one".