670354329 has 8 divisors (see below), whose sum is σ = 895940640. Its totient is φ = 445835456.

The previous prime is 670354301. The next prime is 670354337. The reversal of 670354329 is 923453076.

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

It is a cyclic number.

It is not a de Polignac number, because 670354329 - 2²⁰ = 669305753 is a prime.

It is a super-5 number, since 5×670354329⁵ (a number of 45 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (670354339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265392 + ... + 267905.

It is an arithmetic number, because the mean of its divisors is an integer number (111992580).

Almost surely, 2^670354329 is an apocalyptic number.

It is an amenable number.

670354329 is a deficient number, since it is larger than the sum of its proper divisors (225586311).

670354329 is a wasteful number, since it uses less digits than its factorization.

670354329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533719.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 670354329 is about 25891.2017681683. The cubic root of 670354329 is about 875.1882387938.

The spelling of 670354329 in words is "six hundred seventy million, three hundred fifty-four thousand, three hundred twenty-nine".