773322440 has 64 divisors (see below), whose sum is σ = 1930392000. Its totient is φ = 276432640.

The previous prime is 773322427. The next prime is 773322461. The reversal of 773322440 is 44223377.

It is a junction number, because it is equal to n+sod(n) for n = 773322397 and 773322406.

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 15 ways as a sum of consecutive naturals, for example, 11066 + ... + 40854.

It is an arithmetic number, because the mean of its divisors is an integer number (30162375).

Almost surely, 2^773322440 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 773322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965196000).

773322440 is an abundant number, since it is smaller than the sum of its proper divisors (1157069560).

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

773322440 is a wasteful number, since it uses less digits than its factorization.

773322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29870 (or 29866 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 773322440 is about 27808.6756247039. The cubic root of 773322440 is about 917.8820371712.

The spelling of 773322440 in words is "seven hundred seventy-three million, three hundred twenty-two thousand, four hundred forty".