725303746776 has 128 divisors (see below), whose sum is σ = 2163444940800. Its totient is φ = 198123530880.

The previous prime is 725303746763. The next prime is 725303746793. The reversal of 725303746776 is 677647303527.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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, 8112445 + ... + 8201363.

It is an arithmetic number, because the mean of its divisors is an integer number (16901913600).

Almost surely, 2^725303746776 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 725303746776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081722470400).

725303746776 is an abundant number, since it is smaller than the sum of its proper divisors (1438141194024).

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

725303746776 is a wasteful number, since it uses less digits than its factorization.

725303746776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91069 (or 91065 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 57.

The spelling of 725303746776 in words is "seven hundred twenty-five billion, three hundred three million, seven hundred forty-six thousand, seven hundred seventy-six".