7123697604 has 81 divisors (see below), whose sum is σ = 18734715181. Its totient is φ = 2370008160.

The previous prime is 7123697587. The next prime is 7123697621. The reversal of 7123697604 is 4067963217.

The square root of 7123697604 is 84402.

It is a perfect power (a square), and thus also a powerful number.

7123697604 is a `hidden beast` number, since 7 + 1 + 2 + 36 + 9 + 7 + 604 = 666.

It is an interprime number because it is at equal distance from previous prime (7123697587) and next prime (7123697621).

It can be written as a sum of positive squares in only one way, i.e., 2042859204 + 5080838400 = 45198^2 + 71280^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7123697604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13672864 + ... + 13673384.

Almost surely, 2^7123697604 is an apocalyptic number.

7123697604 is the 84402-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7123697604

7123697604 is an abundant number, since it is smaller than the sum of its proper divisors (11611017577).

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

7123697604 is an frugal number, since it uses more digits than its factorization.

7123697604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The cubic root of 7123697604 is about 1924.1333123539.

The spelling of 7123697604 in words is "seven billion, one hundred twenty-three million, six hundred ninety-seven thousand, six hundred four".