7642613 has 4 divisors (see below), whose sum is σ = 8337408. Its totient is φ = 6947820.

The previous prime is 7642577. The next prime is 7642619. The reversal of 7642613 is 3162467.

7642613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7642613 - 2¹² = 7638517 is a prime.

It is a d-powerful number, because it can be written as 7³ + 6² + 4¹⁰ + 2¹⁷ + 6⁸ + 1 + 3¹⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347381 + ... + 347402.

It is an arithmetic number, because the mean of its divisors is an integer number (2084352).

Almost surely, 2^7642613 is an apocalyptic number.

It is an amenable number.

7642613 is a deficient number, since it is larger than the sum of its proper divisors (694795).

7642613 is a wasteful number, since it uses less digits than its factorization.

7642613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694794.

The product of its digits is 6048, while the sum is 29.

The square root of 7642613 is about 2764.5276269193. The cubic root of 7642613 is about 196.9762913054.

The spelling of 7642613 in words is "seven million, six hundred forty-two thousand, six hundred thirteen".