7649471 has 2 divisors, whose sum is σ = 7649472. Its totient is φ = 7649470.

The previous prime is 7649459. The next prime is 7649479. The reversal of 7649471 is 1749467.

It is a strong prime.

It is an emirp because it is prime and its reverse (1749467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7649471 - 2¹⁰ = 7648447 is a prime.

It is a super-3 number, since 3×7649471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7649479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824735 + 3824736.

It is an arithmetic number, because the mean of its divisors is an integer number (3824736).

Almost surely, 2^7649471 is an apocalyptic number.

7649471 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649471 is an equidigital number, since it uses as much as digits as its factorization.

7649471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 7649471 is about 2765.7677053578. The cubic root of 7649471 is about 197.0351917341.

The spelling of 7649471 in words is "seven million, six hundred forty-nine thousand, four hundred seventy-one".