7890704 has 10 divisors (see below), whose sum is σ = 15288270. Its totient is φ = 3945344.

The previous prime is 7890691. The next prime is 7890713. The reversal of 7890704 is 4070987.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 3810304 = 2020^2 + 1952^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246569 + ... + 246600.

It is an arithmetic number, because the mean of its divisors is an integer number (1528827).

Almost surely, 2^7890704 is an apocalyptic number.

It is an amenable number.

7890704 is a deficient number, since it is larger than the sum of its proper divisors (7397566).

7890704 is a wasteful number, since it uses less digits than its factorization.

7890704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493177 (or 493171 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 7890704 is about 2809.0396935608. The cubic root of 7890704 is about 199.0850204455.

The spelling of 7890704 in words is "seven million, eight hundred ninety thousand, seven hundred four".