212634734 has 8 divisors (see below), whose sum is σ = 343486920. Its totient is φ = 98139096.

The previous prime is 212634689. The next prime is 212634739. The reversal of 212634734 is 437436212.

212634734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212634734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212634739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089104 + ... + 4089155.

It is an arithmetic number, because the mean of its divisors is an integer number (42935865).

Almost surely, 2^212634734 is an apocalyptic number.

212634734 is a deficient number, since it is larger than the sum of its proper divisors (130852186).

212634734 is a wasteful number, since it uses less digits than its factorization.

212634734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178274.

The product of its digits is 24192, while the sum is 32.

The square root of 212634734 is about 14582.0003428885. Note that the first 3 decimals coincide. The cubic root of 212634734 is about 596.8676891332.

The spelling of 212634734 in words is "two hundred twelve million, six hundred thirty-four thousand, seven hundred thirty-four".