736799868 has 144 divisors (see below), whose sum is σ = 2299197600. Its totient is φ = 203212800.

The previous prime is 736799867. The next prime is 736799887. The reversal of 736799868 is 868997637.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736799867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151068 + ... + 155868.

It is an arithmetic number, because the mean of its divisors is an integer number (15966650).

Almost surely, 2^736799868 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 736799868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149598800).

736799868 is an abundant number, since it is smaller than the sum of its proper divisors (1562397732).

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

736799868 is a wasteful number, since it uses less digits than its factorization.

736799868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857 (or 4842 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 736799868 is about 27144.0576922464. The cubic root of 736799868 is about 903.1984420554.

The spelling of 736799868 in words is "seven hundred thirty-six million, seven hundred ninety-nine thousand, eight hundred sixty-eight".