7664536 has 32 divisors (see below), whose sum is σ = 15785280. Its totient is φ = 3460000.

The previous prime is 7664519. The next prime is 7664537. The reversal of 7664536 is 6354667.

It is a super-2 number, since 2×7664536² = 117490224190592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7664495 and 7664504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21915 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^7664536 is an apocalyptic number.

It is an amenable number.

7664536 is an abundant number, since it is smaller than the sum of its proper divisors (8120744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664536 is a wasteful number, since it uses less digits than its factorization.

7664536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 611 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 7664536 is about 2768.4898410505. The cubic root of 7664536 is about 197.1644550807.

The spelling of 7664536 in words is "seven million, six hundred sixty-four thousand, five hundred thirty-six".