7704450625 has 15 divisors (see below), whose sum is σ = 9630224373. Its totient is φ = 6161805000.

The previous prime is 7704450613. The next prime is 7704450641. The reversal of 7704450625 is 5260544077.

The square root of 7704450625 is 87775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 604028929 + 7100421696 = 24577^2 + 84264^2 .

It is not a de Polignac number, because 7704450625 - 2²¹ = 7702353473 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2192620 + ... + 2196130.

Almost surely, 2^7704450625 is an apocalyptic number.

7704450625 is the 87775-th square number.

7704450625 is the 43888-th centered octagonal number.

It is an amenable number.

7704450625 is a deficient number, since it is larger than the sum of its proper divisors (1925773748).

7704450625 is an frugal number, since it uses more digits than its factorization.

7704450625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The cubic root of 7704450625 is about 1975.0612062429.

It can be divided in two parts, 7704 and 450625, that added together give a square (458329 = 677²).

The spelling of 7704450625 in words is "seven billion, seven hundred four million, four hundred fifty thousand, six hundred twenty-five".