773920000 has 180 divisors, whose sum is σ = 2209367776. Its totient is φ = 264960000.

The previous prime is 773919983. The next prime is 773920003. The reversal of 773920000 is 29377.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773920003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1119655 + ... + 1120345.

Almost surely, 2^773920000 is an apocalyptic number.

773920000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104683888).

773920000 is an abundant number, since it is smaller than the sum of its proper divisors (1435447776).

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

773920000 is an frugal number, since it uses more digits than its factorization.

773920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 773920000 is about 27819.4176790241. The cubic root of 773920000 is about 918.1183975587.

Adding to 773920000 its reverse (29377), we get a palindrome (773949377).

The spelling of 773920000 in words is "seven hundred seventy-three million, nine hundred twenty thousand".