736612225920 has 192 divisors, whose sum is σ = 2544624285840. Its totient is φ = 196351918080.

The previous prime is 736612225873. The next prime is 736612225931. The reversal of 736612225920 is 29522216637.

736612225920 is a `hidden beast` number, since 7 + 3 + 6 + 612 + 2 + 2 + 5 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15280255 + ... + 15328385.

Almost surely, 2^736612225920 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 736612225920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272312142920).

736612225920 is an abundant number, since it is smaller than the sum of its proper divisors (1808012059920).

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

736612225920 is a wasteful number, since it uses less digits than its factorization.

736612225920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50813 (or 50798 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 736612225920 in words is "seven hundred thirty-six billion, six hundred twelve million, two hundred twenty-five thousand, nine hundred twenty".