725408802 has 48 divisors (see below), whose sum is σ = 1666460952. Its totient is φ = 227266560.

The previous prime is 725408779. The next prime is 725408807. The reversal of 725408802 is 208804527.

It is a happy number.

725408802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 665175681 + 60233121 = 25791^2 + 7761^2 .

It is not an unprimeable number, because it can be changed into a prime (725408807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334602 + ... + 336762.

Almost surely, 2^725408802 is an apocalyptic number.

725408802 is an abundant number, since it is smaller than the sum of its proper divisors (941052150).

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

725408802 is a wasteful number, since it uses less digits than its factorization.

725408802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 725408802 is about 26933.4142284264. The cubic root of 725408802 is about 898.5197073352.

The spelling of 725408802 in words is "seven hundred twenty-five million, four hundred eight thousand, eight hundred two".