725449296 has 160 divisors (see below), whose sum is σ = 2331600768. Its totient is φ = 190955520.

The previous prime is 725449247. The next prime is 725449301. The reversal of 725449296 is 692944527.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113580 + ... + 119796.

Almost surely, 2^725449296 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 725449296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165800384).

725449296 is an abundant number, since it is smaller than the sum of its proper divisors (1606151472).

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

725449296 is a wasteful number, since it uses less digits than its factorization.

725449296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269 (or 6263 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 725449296 is about 26934.1659607273. The cubic root of 725449296 is about 898.5364261747.

The spelling of 725449296 in words is "seven hundred twenty-five million, four hundred forty-nine thousand, two hundred ninety-six".