670240322 has 4 divisors (see below), whose sum is σ = 1005360486. Its totient is φ = 335120160.

The previous prime is 670240303. The next prime is 670240369. The reversal of 670240322 is 223042076.

670240322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 25889²+1.

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., 670240321 + 1 = 25889^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 670240291 and 670240300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167560079 + ... + 167560082.

Almost surely, 2^670240322 is an apocalyptic number.

670240322 is a deficient number, since it is larger than the sum of its proper divisors (335120164).

670240322 is a wasteful number, since it uses less digits than its factorization.

670240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335120163.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 670240322 is about 25889.0000193132. Note that the first 4 decimals coincide. The cubic root of 670240322 is about 875.1386216296.

Adding to 670240322 its reverse (223042076), we get a palindrome (893282398).

The spelling of 670240322 in words is "six hundred seventy million, two hundred forty thousand, three hundred twenty-two".