670464029 has 2 divisors, whose sum is σ = 670464030. Its totient is φ = 670464028.

The previous prime is 670464019. The next prime is 670464061. The reversal of 670464029 is 920464076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605258404 + 65205625 = 24602^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 670464029 - 2²⁸ = 402028573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670463983 and 670464001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670464019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335232014 + 335232015.

It is an arithmetic number, because the mean of its divisors is an integer number (335232015).

Almost surely, 2^670464029 is an apocalyptic number.

It is an amenable number.

670464029 is a deficient number, since it is larger than the sum of its proper divisors (1).

670464029 is an equidigital number, since it uses as much as digits as its factorization.

670464029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 670464029 is about 25893.3201617715. The cubic root of 670464029 is about 875.2359761913.

The spelling of 670464029 in words is "six hundred seventy million, four hundred sixty-four thousand, twenty-nine".