7213700 has 72 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 2563200.

The previous prime is 7213699. The next prime is 7213709. The reversal of 7213700 is 73127.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (7213709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40211 + ... + 40389.

It is an arithmetic number, because the mean of its divisors is an integer number (243040).

Almost surely, 2^7213700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7213700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8749440).

7213700 is an abundant number, since it is smaller than the sum of its proper divisors (10285180).

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

7213700 is a wasteful number, since it uses less digits than its factorization.

7213700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 7213700 is about 2685.8332040542. The cubic root of 7213700 is about 193.2202734392.

Adding to 7213700 its reverse (73127), we get a palindrome (7286827).

The spelling of 7213700 in words is "seven million, two hundred thirteen thousand, seven hundred".