7540081472 has 112 divisors (see below), whose sum is σ = 18840297600. Its totient is φ = 2908416000.

The previous prime is 7540081453. The next prime is 7540081487. The reversal of 7540081472 is 2741800457.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490154 + ... + 505302.

Almost surely, 2^7540081472 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 7540081472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9420148800).

7540081472 is an abundant number, since it is smaller than the sum of its proper divisors (11300216128).

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

7540081472 is a wasteful number, since it uses less digits than its factorization.

7540081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280 (or 15270 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 7540081472 is about 86833.6425125654. The cubic root of 7540081472 is about 1960.9145974492.

The spelling of 7540081472 in words is "seven billion, five hundred forty million, eighty-one thousand, four hundred seventy-two".