7642711 has 2 divisors, whose sum is σ = 7642712. Its totient is φ = 7642710.

The previous prime is 7642681. The next prime is 7642729. The reversal of 7642711 is 1172467.

It is a strong prime.

It is an emirp because it is prime and its reverse (1172467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7642711 - 2¹³ = 7634519 is a prime.

It is a super-2 number, since 2×7642711² = 116822062859042, which contains 22 as substring.

It is equal to p₅₁₇₂₆₇ and since 7642711 and 517267 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7642711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7642781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3821355 + 3821356.

It is an arithmetic number, because the mean of its divisors is an integer number (3821356).

Almost surely, 2^7642711 is an apocalyptic number.

7642711 is a deficient number, since it is larger than the sum of its proper divisors (1).

7642711 is an equidigital number, since it uses as much as digits as its factorization.

7642711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 7642711 is about 2764.5453514095. The cubic root of 7642711 is about 196.9771332336.

The spelling of 7642711 in words is "seven million, six hundred forty-two thousand, seven hundred eleven".