212748654 has 8 divisors (see below), whose sum is σ = 425497320. Its totient is φ = 70916216.

The previous prime is 212748637. The next prime is 212748677. The reversal of 212748654 is 456847212.

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

212748654 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17729049 + ... + 17729060.

It is an arithmetic number, because the mean of its divisors is an integer number (53187165).

Almost surely, 2^212748654 is an apocalyptic number.

212748654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212748654 is a wasteful number, since it uses less digits than its factorization.

212748654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35458114.

The product of its digits is 107520, while the sum is 39.

The square root of 212748654 is about 14585.9060054561. The cubic root of 212748654 is about 596.9742616054.

The spelling of 212748654 in words is "two hundred twelve million, seven hundred forty-eight thousand, six hundred fifty-four".