670995055 has 8 divisors (see below), whose sum is σ = 809643744. Its totient is φ = 533829600.

The previous prime is 670995043. The next prime is 670995079. The reversal of 670995055 is 550599076.

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

It is not a de Polignac number, because 670995055 - 2⁹ = 670994543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670994996 and 670995014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369811 + ... + 371620.

It is an arithmetic number, because the mean of its divisors is an integer number (101205468).

Almost surely, 2^670995055 is an apocalyptic number.

670995055 is a deficient number, since it is larger than the sum of its proper divisors (138648689).

670995055 is a wasteful number, since it uses less digits than its factorization.

670995055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741617.

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 670995055 is about 25903.5722439975. The cubic root of 670995055 is about 875.4669855564.

The spelling of 670995055 in words is "six hundred seventy million, nine hundred ninety-five thousand, fifty-five".