7656213 has 8 divisors (see below), whose sum is σ = 10228288. Its totient is φ = 5094144.

The previous prime is 7656211. The next prime is 7656247. The reversal of 7656213 is 3126567.

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

It is not a de Polignac number, because 7656213 - 2¹ = 7656211 is a prime.

It is a Duffinian number.

7656213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7656211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (1278536).

Almost surely, 2^7656213 is an apocalyptic number.

It is an amenable number.

7656213 is a deficient number, since it is larger than the sum of its proper divisors (2572075).

7656213 is a wasteful number, since it uses less digits than its factorization.

7656213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003.

The product of its digits is 7560, while the sum is 30.

The square root of 7656213 is about 2766.9862666808. The cubic root of 7656213 is about 197.0930615825.

The spelling of 7656213 in words is "seven million, six hundred fifty-six thousand, two hundred thirteen".