670407371 has 2 divisors, whose sum is σ = 670407372. Its totient is φ = 670407370.

The previous prime is 670407349. The next prime is 670407377. The reversal of 670407371 is 173704076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670407371 - 2⁶ = 670407307 is a prime.

It is a super-2 number, since 2×670407371² = 898892086182263282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670407377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335203685 + 335203686.

It is an arithmetic number, because the mean of its divisors is an integer number (335203686).

Almost surely, 2^670407371 is an apocalyptic number.

670407371 is a deficient number, since it is larger than the sum of its proper divisors (1).

670407371 is an equidigital number, since it uses as much as digits as its factorization.

670407371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 670407371 is about 25892.2260727038. The cubic root of 670407371 is about 875.2113213678.

The spelling of 670407371 in words is "six hundred seventy million, four hundred seven thousand, three hundred seventy-one".