670576342 has 4 divisors (see below), whose sum is σ = 1005864516. Its totient is φ = 335288170.

The previous prime is 670576303. The next prime is 670576343. The reversal of 670576342 is 243675076.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 670576295 and 670576304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670576343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167644084 + ... + 167644087.

It is an arithmetic number, because the mean of its divisors is an integer number (251466129).

Almost surely, 2^670576342 is an apocalyptic number.

670576342 is a deficient number, since it is larger than the sum of its proper divisors (335288174).

670576342 is a wasteful number, since it uses less digits than its factorization.

670576342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335288173.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 670576342 is about 25895.4888349303. The cubic root of 670576342 is about 875.2848452757.

The spelling of 670576342 in words is "six hundred seventy million, five hundred seventy-six thousand, three hundred forty-two".