7664434 has 8 divisors (see below), whose sum is σ = 11508588. Its totient is φ = 3828240.

The previous prime is 7664407. The next prime is 7664453. The reversal of 7664434 is 4344667.

It can be written as a sum of positive squares in 2 ways, for example, as 7273809 + 390625 = 2697^2 + 625^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 7664434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104 + ... + 4444.

Almost surely, 2^7664434 is an apocalyptic number.

7664434 is a deficient number, since it is larger than the sum of its proper divisors (3844154).

7664434 is a wasteful number, since it uses less digits than its factorization.

7664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its digits is 48384, while the sum is 34.

The square root of 7664434 is about 2768.4714193937. The cubic root of 7664434 is about 197.1635804522.

It can be divided in two parts, 76 and 64434, that multiplied together give a palindrome (4896984).

The spelling of 7664434 in words is "seven million, six hundred sixty-four thousand, four hundred thirty-four".