72343251000 has 384 divisors, whose sum is σ = 255929544000. Its totient is φ = 18411494400.

The previous prime is 72343250983. The next prime is 72343251061. The reversal of 72343251000 is 15234327.

72343251000 is a `hidden beast` number, since 7 + 234 + 325 + 100 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17646951 + ... + 17651049.

Almost surely, 2^72343251000 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 72343251000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127964772000).

72343251000 is an abundant number, since it is smaller than the sum of its proper divisors (183586293000).

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

72343251000 is a wasteful number, since it uses less digits than its factorization.

72343251000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4199 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

Adding to 72343251000 its reverse (15234327), we get a palindrome (72358485327).

The spelling of 72343251000 in words is "seventy-two billion, three hundred forty-three million, two hundred fifty-one thousand".