736778196 has 216 divisors, whose sum is σ = 2378772032. Its totient is φ = 188179200.

The previous prime is 736778183. The next prime is 736778201. The reversal of 736778196 is 691877637.

It is a super-2 number, since 2×736778196² = 1085684220202028832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2225751 + ... + 2226081.

Almost surely, 2^736778196 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 736778196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189386016).

736778196 is an abundant number, since it is smaller than the sum of its proper divisors (1641993836).

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

736778196 is a wasteful number, since it uses less digits than its factorization.

736778196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 427 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 736778196 is about 27143.6584859153. The cubic root of 736778196 is about 903.1895865034.

The spelling of 736778196 in words is "seven hundred thirty-six million, seven hundred seventy-eight thousand, one hundred ninety-six".