670042007 has 2 divisors, whose sum is σ = 670042008. Its totient is φ = 670042006.

The previous prime is 670041947. The next prime is 670042019. The reversal of 670042007 is 700240076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670042007 - 2¹⁶ = 669976471 is a prime.

It is a super-2 number, since 2×670042007² = 897912582289176098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670042027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335021003 + 335021004.

It is an arithmetic number, because the mean of its divisors is an integer number (335021004).

Almost surely, 2^670042007 is an apocalyptic number.

670042007 is a deficient number, since it is larger than the sum of its proper divisors (1).

670042007 is an equidigital number, since it uses as much as digits as its factorization.

670042007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 670042007 is about 25885.1696343679. The cubic root of 670042007 is about 875.0522992413.

The spelling of 670042007 in words is "six hundred seventy million, forty-two thousand, seven".