772225315472 has 40 divisors (see below), whose sum is σ = 1650577299000. Its totient is φ = 347718712320.

The previous prime is 772225315417. The next prime is 772225315517. The reversal of 772225315472 is 274513522277.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66820182016 + 705405133456 = 258496^2 + 839884^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45267347 + ... + 45284402.

It is an arithmetic number, because the mean of its divisors is an integer number (41264432475).

Almost surely, 2^772225315472 is an apocalyptic number.

It is an amenable number.

772225315472 is an abundant number, since it is smaller than the sum of its proper divisors (878351983528).

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

772225315472 is a wasteful number, since it uses less digits than its factorization.

772225315472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90551811 (or 90551805 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 47.

The spelling of 772225315472 in words is "seven hundred seventy-two billion, two hundred twenty-five million, three hundred fifteen thousand, four hundred seventy-two".