7764066 has 16 divisors (see below), whose sum is σ = 17253600. Its totient is φ = 2588004.

The previous prime is 7764059. The next prime is 7764073. The reversal of 7764066 is 6604677.

7764066 is a `hidden beast` number, since 7 + 7 + 640 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (7764059) and next prime (7764073).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7764066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71836 + ... + 71943.

It is an arithmetic number, because the mean of its divisors is an integer number (1078350).

Almost surely, 2^7764066 is an apocalyptic number.

7764066 is an abundant number, since it is smaller than the sum of its proper divisors (9489534).

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

7764066 is a wasteful number, since it uses less digits than its factorization.

7764066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143790 (or 143784 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7764066 is about 2786.4073643314. The cubic root of 7764066 is about 198.0142322185.

The spelling of 7764066 in words is "seven million, seven hundred sixty-four thousand, sixty-six".