725278782 has 16 divisors (see below), whose sum is σ = 1456076160. Its totient is φ = 240839832.

The previous prime is 725278781. The next prime is 725278793. The reversal of 725278782 is 287872527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725278781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228232 + ... + 231387.

It is an arithmetic number, because the mean of its divisors is an integer number (91004760).

Almost surely, 2^725278782 is an apocalyptic number.

725278782 is an abundant number, since it is smaller than the sum of its proper divisors (730797378).

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

725278782 is a wasteful number, since it uses less digits than its factorization.

725278782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459887.

The product of its digits is 878080, while the sum is 48.

The square root of 725278782 is about 26931.0003898853. Note that the first 3 decimals coincide. The cubic root of 725278782 is about 898.4660215089.

The spelling of 725278782 in words is "seven hundred twenty-five million, two hundred seventy-eight thousand, seven hundred eighty-two".