7942766 has 16 divisors (see below), whose sum is σ = 13145328. Its totient is φ = 3576000.

The previous prime is 7942747. The next prime is 7942769. The reversal of 7942766 is 6672497.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942769) 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, 2660 + ... + 4791.

It is an arithmetic number, because the mean of its divisors is an integer number (821583).

Almost surely, 2^7942766 is an apocalyptic number.

7942766 is a deficient number, since it is larger than the sum of its proper divisors (5202562).

7942766 is a wasteful number, since it uses less digits than its factorization.

7942766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507.

The product of its digits is 127008, while the sum is 41.

The square root of 7942766 is about 2818.2913263181. The cubic root of 7942766 is about 199.5219080511.

The spelling of 7942766 in words is "seven million, nine hundred forty-two thousand, seven hundred sixty-six".