725187792 has 160 divisors (see below), whose sum is σ = 2257569792. Its totient is φ = 196111872.

The previous prime is 725187781. The next prime is 725187797. The reversal of 725187792 is 297781527.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725187797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826458 + ... + 827334.

Almost surely, 2^725187792 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 725187792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128784896).

725187792 is an abundant number, since it is smaller than the sum of its proper divisors (1532382000).

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

725187792 is a wasteful number, since it uses less digits than its factorization.

725187792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).

The product of its digits is 493920, while the sum is 48.

The square root of 725187792 is about 26929.3110197792. The cubic root of 725187792 is about 898.4284475239.

The spelling of 725187792 in words is "seven hundred twenty-five million, one hundred eighty-seven thousand, seven hundred ninety-two".