70268890 has 16 divisors (see below), whose sum is σ = 127123200. Its totient is φ = 27965520.

The previous prime is 70268873. The next prime is 70268903. The reversal of 70268890 is 9886207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15666 + ... + 19645.

It is an arithmetic number, because the mean of its divisors is an integer number (7945200).

Almost surely, 2^70268890 is an apocalyptic number.

70268890 is a deficient number, since it is larger than the sum of its proper divisors (56854310).

70268890 is a wasteful number, since it uses less digits than its factorization.

70268890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35517.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 70268890 is about 8382.6541143006. The cubic root of 70268890 is about 412.6555568804.

The spelling of 70268890 in words is "seventy million, two hundred sixty-eight thousand, eight hundred ninety".