212736560 has 40 divisors (see below), whose sum is σ = 495236160. Its totient is φ = 84987392.

The previous prime is 212736497. The next prime is 212736583. The reversal of 212736560 is 65637212.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102089 + ... + 104151.

It is an arithmetic number, because the mean of its divisors is an integer number (12380904).

Almost surely, 2^212736560 is an apocalyptic number.

212736560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212736560 is an abundant number, since it is smaller than the sum of its proper divisors (282499600).

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

212736560 is a wasteful number, since it uses less digits than its factorization.

212736560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 212736560 is about 14585.4914212720. The cubic root of 212736560 is about 596.9629494405.

The spelling of 212736560 in words is "two hundred twelve million, seven hundred thirty-six thousand, five hundred sixty".