212464674 has 32 divisors (see below), whose sum is σ = 499919040. Its totient is φ = 66655296.

The previous prime is 212464673. The next prime is 212464687. The reversal of 212464674 is 476464212.

212464674 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 646 + 7 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (212464673) 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 15 ways as a sum of consecutive naturals, for example, 114804 + ... + 116639.

It is an arithmetic number, because the mean of its divisors is an integer number (15622470).

Almost surely, 2^212464674 is an apocalyptic number.

212464674 is an abundant number, since it is smaller than the sum of its proper divisors (287454366).

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

212464674 is a wasteful number, since it uses less digits than its factorization.

212464674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231471 (or 231465 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 212464674 is about 14576.1680149482. The cubic root of 212464674 is about 596.7085266902.

The spelling of 212464674 in words is "two hundred twelve million, four hundred sixty-four thousand, six hundred seventy-four".