72980611200 has 1920 divisors, whose sum is σ = 339750576000. Its totient is φ = 15049359360.

The previous prime is 72980611189. The next prime is 72980611201. The reversal of 72980611200 is 211608927.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×72980611200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (72980611201) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 999734364 + ... + 999734436.

It is an arithmetic number, because the mean of its divisors is an integer number (176953425).

Almost surely, 2^72980611200 is an apocalyptic number.

72980611200 is a gapful number since it is divisible by the number (70) 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 72980611200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169875288000).

72980611200 is an abundant number, since it is smaller than the sum of its proper divisors (266769964800).

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

72980611200 is a wasteful number, since it uses less digits than its factorization.

72980611200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 72980611200 in words is "seventy-two billion, nine hundred eighty million, six hundred eleven thousand, two hundred".