7540272 has 30 divisors (see below), whose sum is σ = 21102692. Its totient is φ = 2513376.

The previous prime is 7540241. The next prime is 7540277. The reversal of 7540272 is 2720457.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (7540277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26038 + ... + 26325.

Almost surely, 2^7540272 is an apocalyptic number.

7540272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7540272 is an abundant number, since it is smaller than the sum of its proper divisors (13562420).

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

7540272 is a wasteful number, since it uses less digits than its factorization.

7540272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52377 (or 52368 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7540272 is about 2745.9555713813. The cubic root of 7540272 is about 196.0931113893.

The spelling of 7540272 in words is "seven million, five hundred forty thousand, two hundred seventy-two".