7923764 has 6 divisors (see below), whose sum is σ = 13866594. Its totient is φ = 3961880.

The previous prime is 7923763. The next prime is 7923781. The reversal of 7923764 is 4673297.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 195364 = 2780^2 + 442^2 .

It is a d-powerful number, because it can be written as 7⁴ + 9² + 2²¹ + 3¹⁰ + 7⁸ + 6³ + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7923763) by changing a digit.

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 as a sum of consecutive naturals, namely, 990467 + ... + 990474.

It is an arithmetic number, because the mean of its divisors is an integer number (2311099).

Almost surely, 2^7923764 is an apocalyptic number.

It is an amenable number.

7923764 is a deficient number, since it is larger than the sum of its proper divisors (5942830).

7923764 is a wasteful number, since it uses less digits than its factorization.

7923764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980945 (or 1980943 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 7923764 is about 2814.9181160382. The cubic root of 7923764 is about 199.3626712174.

The spelling of 7923764 in words is "seven million, nine hundred twenty-three thousand, seven hundred sixty-four".