670026755 has 4 divisors (see below), whose sum is σ = 804032112. Its totient is φ = 536021400.

The previous prime is 670026743. The next prime is 670026767. The reversal of 670026755 is 557620076.

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

It is an interprime number because it is at equal distance from previous prime (670026743) and next prime (670026767).

It is not a de Polignac number, because 670026755 - 2⁴ = 670026739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67002671 + ... + 67002680.

It is an arithmetic number, because the mean of its divisors is an integer number (201008028).

Almost surely, 2^670026755 is an apocalyptic number.

670026755 is a deficient number, since it is larger than the sum of its proper divisors (134005357).

670026755 is a wasteful number, since it uses less digits than its factorization.

670026755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134005356.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 670026755 is about 25884.8750238436. The cubic root of 670026755 is about 875.0456596581.

The spelling of 670026755 in words is "six hundred seventy million, twenty-six thousand, seven hundred fifty-five".