7664772 has 48 divisors (see below), whose sum is σ = 18734912. Its totient is φ = 2436480.

The previous prime is 7664753. The next prime is 7664791. The reversal of 7664772 is 2774667.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7664753) and next prime (7664791).

It is a self number, because there is not a number n which added to its sum of digits gives 7664772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26943 + ... + 27225.

Almost surely, 2^7664772 is an apocalyptic number.

It is an amenable number.

7664772 is an abundant number, since it is smaller than the sum of its proper divisors (11070140).

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

7664772 is a wasteful number, since it uses less digits than its factorization.

7664772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its digits is 98784, while the sum is 39.

The square root of 7664772 is about 2768.5324632375. The cubic root of 7664772 is about 197.1664787011.

The spelling of 7664772 in words is "seven million, six hundred sixty-four thousand, seven hundred seventy-two".