212736360 has 64 divisors (see below), whose sum is σ = 641520000. Its totient is φ = 56435456.

The previous prime is 212736343. The next prime is 212736367. The reversal of 212736360 is 63637212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (212736367) 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, 19141 + ... + 28139.

It is an arithmetic number, because the mean of its divisors is an integer number (10023750).

Almost surely, 2^212736360 is an apocalyptic number.

212736360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212736360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320760000).

212736360 is an abundant number, since it is smaller than the sum of its proper divisors (428783640).

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

212736360 is a wasteful number, since it uses less digits than its factorization.

212736360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210 (or 9206 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 212736360 is about 14585.4845651422. The cubic root of 212736360 is about 596.9627623662.

The spelling of 212736360 in words is "two hundred twelve million, seven hundred thirty-six thousand, three hundred sixty".