725476450 has 24 divisors (see below), whose sum is σ = 1350108900. Its totient is φ = 290035200.

The previous prime is 725476403. The next prime is 725476457. The reversal of 725476450 is 54674527.

It can be written as a sum of positive squares in 6 ways, for example, as 219721329 + 505755121 = 14823^2 + 22489^2 .

It is not an unprimeable number, because it can be changed into a prime (725476457) 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, 153726 + ... + 158374.

Almost surely, 2^725476450 is an apocalyptic number.

725476450 is a deficient number, since it is larger than the sum of its proper divisors (624632450).

725476450 is a wasteful number, since it uses less digits than its factorization.

725476450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782 (or 7777 counting only the distinct ones).

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

The square root of 725476450 is about 26934.6700369617. The cubic root of 725476450 is about 898.5476369530.

The spelling of 725476450 in words is "seven hundred twenty-five million, four hundred seventy-six thousand, four hundred fifty".