670480378 has 4 divisors (see below), whose sum is σ = 1005720570. Its totient is φ = 335240188.

The previous prime is 670480313. The next prime is 670480387. The reversal of 670480378 is 873084076.

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

It can be written as a sum of positive squares in only one way, i.e., 644296689 + 26183689 = 25383^2 + 5117^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167620093 + ... + 167620096.

Almost surely, 2^670480378 is an apocalyptic number.

670480378 is a deficient number, since it is larger than the sum of its proper divisors (335240192).

670480378 is a wasteful number, since it uses less digits than its factorization.

670480378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335240191.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 670480378 is about 25893.6358590291. The cubic root of 670480378 is about 875.2430902278.

The spelling of 670480378 in words is "six hundred seventy million, four hundred eighty thousand, three hundred seventy-eight".