725192748 has 216 divisors, whose sum is σ = 2251738944. Its totient is φ = 195955200.

The previous prime is 725192729. The next prime is 725192759. The reversal of 725192748 is 847291527.

It is a happy number.

725192748 is a `hidden beast` number, since 72 + 519 + 27 + 48 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2675853 + ... + 2676123.

Almost surely, 2^725192748 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 725192748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125869472).

725192748 is an abundant number, since it is smaller than the sum of its proper divisors (1526546196).

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

725192748 is a wasteful number, since it uses less digits than its factorization.

725192748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 361 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 725192748 is about 26929.4030383148. The cubic root of 725192748 is about 898.4304941667.

It can be divided in two parts, 7251 and 92748, that added together give a palindrome (99999).

The spelling of 725192748 in words is "seven hundred twenty-five million, one hundred ninety-two thousand, seven hundred forty-eight".