7272530240976 has 640 divisors, whose sum is σ = 29676500582400. Its totient is φ = 1641093488640.

The previous prime is 7272530240951. The next prime is 7272530241059. The reversal of 7272530240976 is 6790420352727.

It is a happy number.

7272530240976 is a `hidden beast` number, since 72 + 72 + 5 + 30 + 2 + 409 + 76 = 666.

It is a super-2 number, since 2×7272530240976² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6856705 + ... + 7845983.

It is an arithmetic number, because the mean of its divisors is an integer number (46369532160).

Almost surely, 2^{7272530240976} 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 7272530240976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14838250291200).

7272530240976 is an abundant number, since it is smaller than the sum of its proper divisors (22403970341424).

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

7272530240976 is a wasteful number, since it uses less digits than its factorization.

7272530240976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989344 (or 989332 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 7272530240976 in words is "seven trillion, two hundred seventy-two billion, five hundred thirty million, two hundred forty thousand, nine hundred seventy-six".