772499322 has 64 divisors (see below), whose sum is σ = 1973410560. Its totient is φ = 219419712.

The previous prime is 772499267. The next prime is 772499353. The reversal of 772499322 is 223994277.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59488 + ... + 71300.

It is an arithmetic number, because the mean of its divisors is an integer number (30834540).

Almost surely, 2^772499322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772499322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986705280).

772499322 is an abundant number, since it is smaller than the sum of its proper divisors (1200911238).

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

772499322 is a wasteful number, since it uses less digits than its factorization.

772499322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12004 (or 11998 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 772499322 is about 27793.8720224441. The cubic root of 772499322 is about 917.5562595462.

The spelling of 772499322 in words is "seven hundred seventy-two million, four hundred ninety-nine thousand, three hundred twenty-two".