725779613330 has 16 divisors (see below), whose sum is σ = 1307536371864. Its totient is φ = 290060052480.

The previous prime is 725779613309. The next prime is 725779613359. The reversal of 725779613330 is 33316977527.

725779613330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 851927²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 725779613329 + 1 = 851927^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31462001 + ... + 31485060.

Almost surely, 2^725779613330 is an apocalyptic number.

725779613330 is a deficient number, since it is larger than the sum of its proper divisors (581756758534).

725779613330 is a wasteful number, since it uses less digits than its factorization.

725779613330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62948221.

The product of its (nonzero) digits is 5000940, while the sum is 53.

The spelling of 725779613330 in words is "seven hundred twenty-five billion, seven hundred seventy-nine million, six hundred thirteen thousand, three hundred thirty".