72260037036 has 192 divisors, whose sum is σ = 216222720000. Its totient is φ = 20638981440.

The previous prime is 72260037023. The next prime is 72260037049. The reversal of 72260037036 is 63073006227.

It is an interprime number because it is at equal distance from previous prime (72260037023) and next prime (72260037049).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4483785 + ... + 4499871.

It is an arithmetic number, because the mean of its divisors is an integer number (1126160000).

Almost surely, 2^72260037036 is an apocalyptic number.

72260037036 is a gapful number since it is divisible by the number (76) 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 72260037036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108111360000).

72260037036 is an abundant number, since it is smaller than the sum of its proper divisors (143962682964).

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

72260037036 is a wasteful number, since it uses less digits than its factorization.

72260037036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329 (or 16321 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 72260037036 in words is "seventy-two billion, two hundred sixty million, thirty-seven thousand, thirty-six".