774538496 has 162 divisors, whose sum is σ = 1793104110. Its totient is φ = 333398016.

The previous prime is 774538493. The next prime is 774538511. The reversal of 774538496 is 694835477.

It can be written as a sum of positive squares in 3 ways, for example, as 321700096 + 452838400 = 17936^2 + 21280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774538493) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26708210 + ... + 26708238.

Almost surely, 2^774538496 is an apocalyptic number.

774538496 is a gapful number since it is divisible by the number (76) 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 774538496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896552055).

774538496 is an abundant number, since it is smaller than the sum of its proper divisors (1018565614).

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

774538496 is a wasteful number, since it uses less digits than its factorization.

774538496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 67 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The square root of 774538496 is about 27830.5317232711. The cubic root of 774538496 is about 918.3629109248.

The spelling of 774538496 in words is "seven hundred seventy-four million, five hundred thirty-eight thousand, four hundred ninety-six".