670787354 has 8 divisors (see below), whose sum is σ = 1022675988. Its totient is φ = 329895360.

The previous prime is 670787333. The next prime is 670787363. The reversal of 670787354 is 453787076.

It can be written as a sum of positive squares in 2 ways, for example, as 523723225 + 147064129 = 22885^2 + 12127^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 670787299 and 670787308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749007 + ... + 2749250.

Almost surely, 2^670787354 is an apocalyptic number.

670787354 is a deficient number, since it is larger than the sum of its proper divisors (351888634).

670787354 is a wasteful number, since it uses less digits than its factorization.

670787354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498320.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 670787354 is about 25899.5628148430. The cubic root of 670787354 is about 875.3766450330.

The spelling of 670787354 in words is "six hundred seventy million, seven hundred eighty-seven thousand, three hundred fifty-four".