670377378 has 16 divisors (see below), whose sum is σ = 1462641696. Its totient is φ = 203144640.

The previous prime is 670377377. The next prime is 670377397. The reversal of 670377378 is 873773076.

It is not an unprimeable number, because it can be changed into a prime (670377377) 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, 5078551 + ... + 5078682.

It is an arithmetic number, because the mean of its divisors is an integer number (91415106).

Almost surely, 2^670377378 is an apocalyptic number.

670377378 is an abundant number, since it is smaller than the sum of its proper divisors (792264318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670377378 is a wasteful number, since it uses less digits than its factorization.

670377378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157249.

The product of its (nonzero) digits is 1037232, while the sum is 48.

The square root of 670377378 is about 25891.6468769370. The cubic root of 670377378 is about 875.1982693014.

The spelling of 670377378 in words is "six hundred seventy million, three hundred seventy-seven thousand, three hundred seventy-eight".