7213716 has 18 divisors (see below), whose sum is σ = 18234762. Its totient is φ = 2404560.

The previous prime is 7213709. The next prime is 7213747. The reversal of 7213716 is 6173127.

It can be written as a sum of positive squares in only one way, i.e., 4186116 + 3027600 = 2046^2 + 1740^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 7213716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100155 + ... + 100226.

Almost surely, 2^7213716 is an apocalyptic number.

It is an amenable number.

7213716 is an abundant number, since it is smaller than the sum of its proper divisors (11021046).

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

7213716 is a wasteful number, since it uses less digits than its factorization.

7213716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200391 (or 200386 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 7213716 is about 2685.8361826441. The cubic root of 7213716 is about 193.2204162934.

The spelling of 7213716 in words is "seven million, two hundred thirteen thousand, seven hundred sixteen".