773017920 has 168 divisors, whose sum is σ = 2679374880. Its totient is φ = 204549120.

The previous prime is 773017913. The next prime is 773017937. The reversal of 773017920 is 29710377.

It is a super-2 number, since 2×773017920² = 1195113409282252800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399355 + ... + 401285.

It is an arithmetic number, because the mean of its divisors is an integer number (15948660).

Almost surely, 2^773017920 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 773017920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339687440).

773017920 is an abundant number, since it is smaller than the sum of its proper divisors (1906356960).

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

773017920 is a wasteful number, since it uses less digits than its factorization.

773017920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 773017920 is about 27803.1998158485. The cubic root of 773017920 is about 917.7615397259.

The spelling of 773017920 in words is "seven hundred seventy-three million, seventeen thousand, nine hundred twenty".