7531073321472 has 160 divisors (see below), whose sum is σ = 22606481842560. Its totient is φ = 2475000299520.

The previous prime is 7531073321423. The next prime is 7531073321479. The reversal of 7531073321472 is 2741233701357.

7531073321472 is a `hidden beast` number, since 7 + 5 + 310 + 7 + 3 + 321 + 4 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (7531073321479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2854993 + ... + 4818000.

It is an arithmetic number, because the mean of its divisors is an integer number (141290511516).

Almost surely, 2^{7531073321472} is an apocalyptic number.

7531073321472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7531073321472 is an abundant number, since it is smaller than the sum of its proper divisors (15075408521088).

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

7531073321472 is an equidigital number, since it uses as much as digits as its factorization.

7531073321472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673091 (or 7673069 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 7531073321472 in words is "seven trillion, five hundred thirty-one billion, seventy-three million, three hundred twenty-one thousand, four hundred seventy-two".