213036740 has 72 divisors (see below), whose sum is σ = 540106560. Its totient is φ = 68952384.

The previous prime is 213036739. The next prime is 213036757. The reversal of 213036740 is 47630312.

213036740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752639 + ... + 752921.

It is an arithmetic number, because the mean of its divisors is an integer number (7501480).

Almost surely, 2^213036740 is an apocalyptic number.

213036740 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 213036740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270053280).

213036740 is an abundant number, since it is smaller than the sum of its proper divisors (327069820).

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

213036740 is a wasteful number, since it uses less digits than its factorization.

213036740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 213036740 is about 14595.7781567137. The cubic root of 213036740 is about 597.2435972046.

The spelling of 213036740 in words is "two hundred thirteen million, thirty-six thousand, seven hundred forty".