70082890 has 16 divisors (see below), whose sum is σ = 127400040. Its totient is φ = 27755200.

The previous prime is 70082867. The next prime is 70082897. The reversal of 70082890 is 9828007.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69405561 + 677329 = 8331^2 + 823^2 .

It is a super-2 number, since 2×70082890² = 9823222941504200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70082897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33685 + ... + 35704.

Almost surely, 2^70082890 is an apocalyptic number.

70082890 is a deficient number, since it is larger than the sum of its proper divisors (57317150).

70082890 is a wasteful number, since it uses less digits than its factorization.

70082890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69497.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 70082890 is about 8371.5524247298. The cubic root of 70082890 is about 412.2911388320.

The spelling of 70082890 in words is "seventy million, eighty-two thousand, eight hundred ninety".