725776722 has 24 divisors (see below), whose sum is σ = 1715472720. Its totient is φ = 219932280.

The previous prime is 725776721. The next prime is 725776729. The reversal of 725776722 is 227677527.

725776722 is a `hidden beast` number, since 7 + 2 + 577 + 6 + 72 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (725776721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1832572 + ... + 1832967.

It is an arithmetic number, because the mean of its divisors is an integer number (71478030).

Almost surely, 2^725776722 is an apocalyptic number.

725776722 is an abundant number, since it is smaller than the sum of its proper divisors (989695998).

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

725776722 is a wasteful number, since it uses less digits than its factorization.

725776722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665558 (or 3665555 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 725776722 is about 26940.2435401019. The cubic root of 725776722 is about 898.6715883601.

The spelling of 725776722 in words is "seven hundred twenty-five million, seven hundred seventy-six thousand, seven hundred twenty-two".