670250290 has 8 divisors (see below), whose sum is σ = 1206450540. Its totient is φ = 268100112.

The previous prime is 670250281. The next prime is 670250293. The reversal of 670250290 is 92052076.

It can be written as a sum of positive squares in 2 ways, for example, as 566963721 + 103286569 = 23811^2 + 10163^2 .

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

It is not an unprimeable number, because it can be changed into a prime (670250293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33512505 + ... + 33512524.

Almost surely, 2^670250290 is an apocalyptic number.

670250290 is a deficient number, since it is larger than the sum of its proper divisors (536200250).

670250290 is a wasteful number, since it uses less digits than its factorization.

670250290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67025036.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 670250290 is about 25889.1925327925. The cubic root of 670250290 is about 875.1429600429.

The spelling of 670250290 in words is "six hundred seventy million, two hundred fifty thousand, two hundred ninety".