214780970 has 16 divisors (see below), whose sum is σ = 387586728. Its totient is φ = 85694400.

The previous prime is 214780949. The next prime is 214780981. The reversal of 214780970 is 79087412.

It can be written as a sum of positive squares in 4 ways, for example, as 204289849 + 10491121 = 14293^2 + 3239^2 .

It is a super-2 number, since 2×214780970² = 92261730148281800, which contains 22 as substring.

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, 23081 + ... + 31020.

Almost surely, 2^214780970 is an apocalyptic number.

214780970 is a deficient number, since it is larger than the sum of its proper divisors (172805758).

214780970 is a wasteful number, since it uses less digits than its factorization.

214780970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54505.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 214780970 is about 14655.4075344222. The cubic root of 214780970 is about 598.8691384445.

The spelling of 214780970 in words is "two hundred fourteen million, seven hundred eighty thousand, nine hundred seventy".