725455552 has 112 divisors (see below), whose sum is σ = 1595006208. Its totient is φ = 325877760.

The previous prime is 725455547. The next prime is 725455597. The reversal of 725455552 is 255554527.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4620658 + ... + 4620814.

Almost surely, 2^725455552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797503104).

725455552 is an abundant number, since it is smaller than the sum of its proper divisors (869550656).

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

725455552 is a wasteful number, since it uses less digits than its factorization.

725455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 344 counting only the distinct ones).

The product of its digits is 350000, while the sum is 40.

The square root of 725455552 is about 26934.2820955005. The cubic root of 725455552 is about 898.5390090466.

The spelling of 725455552 in words is "seven hundred twenty-five million, four hundred fifty-five thousand, five hundred fifty-two".