72698400000 has 648 divisors, whose sum is σ = 274006212480. Its totient is φ = 18501120000.

The previous prime is 72698399999. The next prime is 72698400029. The reversal of 72698400000 is 489627.

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

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, 165599781 + ... + 165600219.

Almost surely, 2^72698400000 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 72698400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137003106240).

72698400000 is an abundant number, since it is smaller than the sum of its proper divisors (201307812480).

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

72698400000 is an equidigital number, since it uses as much as digits as its factorization.

72698400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 72698400000 its reverse (489627), we get a palindrome (72698889627).

The spelling of 72698400000 in words is "seventy-two billion, six hundred ninety-eight million, four hundred thousand".