7213969 has 8 divisors (see below), whose sum is σ = 8273088. Its totient is φ = 6162000.

The previous prime is 7213937. The next prime is 7214023. The reversal of 7213969 is 9693127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7213969 - 2⁵ = 7213937 is a prime.

It is a super-3 number, since 3×7213969³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (1034136).

Almost surely, 2^7213969 is an apocalyptic number.

It is an amenable number.

7213969 is a deficient number, since it is larger than the sum of its proper divisors (1059119).

7213969 is a wasteful number, since it uses less digits than its factorization.

7213969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its digits is 20412, while the sum is 37.

The square root of 7213969 is about 2685.8832811572. The cubic root of 7213969 is about 193.2226751474. Note that the first 3 decimals are identical.

It can be divided in two parts, 72 and 13969, that added together give a palindrome (14041).

The spelling of 7213969 in words is "seven million, two hundred thirteen thousand, nine hundred sixty-nine".