670650290 has 16 divisors (see below), whose sum is σ = 1214402112. Its totient is φ = 266653104.

The previous prime is 670650269. The next prime is 670650293. The reversal of 670650290 is 92056076.

It is a super-2 number, since 2×670650290² = 899543622954168200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670650290.

It is not an unprimeable number, because it can be changed into a prime (670650293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 199124 + ... + 202463.

It is an arithmetic number, because the mean of its divisors is an integer number (75900132).

Almost surely, 2^670650290 is an apocalyptic number.

670650290 is a deficient number, since it is larger than the sum of its proper divisors (543751822).

670650290 is a wasteful number, since it uses less digits than its factorization.

670650290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401761.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 670650290 is about 25896.9166118285. The cubic root of 670650290 is about 875.3170181896.

The spelling of 670650290 in words is "six hundred seventy million, six hundred fifty thousand, two hundred ninety".