214707078 has 64 divisors (see below), whose sum is σ = 502165440. Its totient is φ = 67910400.

The previous prime is 214707043. The next prime is 214707079. The reversal of 214707078 is 870707412.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214707079) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 80608 + ... + 83228.

It is an arithmetic number, because the mean of its divisors is an integer number (7846335).

Almost surely, 2^214707078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214707078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251082720).

214707078 is an abundant number, since it is smaller than the sum of its proper divisors (287458362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214707078 is a wasteful number, since it uses less digits than its factorization.

214707078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 214707078 is about 14652.8863368280. The cubic root of 214707078 is about 598.8004534115.

The spelling of 214707078 in words is "two hundred fourteen million, seven hundred seven thousand, seventy-eight".