216070474 has 16 divisors (see below), whose sum is σ = 336069000. Its totient is φ = 104065024.

The previous prime is 216070471. The next prime is 216070499. The reversal of 216070474 is 474070612.

216070474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 215943025 + 127449 = 14695^2 + 357^2 .

It is not an unprimeable number, because it can be changed into a prime (216070471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21894 + ... + 30190.

Almost surely, 2^216070474 is an apocalyptic number.

216070474 is a deficient number, since it is larger than the sum of its proper divisors (119998526).

216070474 is a wasteful number, since it uses less digits than its factorization.

216070474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 216070474 is about 14699.3358353362. The cubic root of 216070474 is about 600.0652466082.

The spelling of 216070474 in words is "two hundred sixteen million, seventy thousand, four hundred seventy-four".