7530081 has 16 divisors (see below), whose sum is σ = 11019456. Its totient is φ = 4545216.

The previous prime is 7530077. The next prime is 7530091. The reversal of 7530081 is 1800357.

It is not a de Polignac number, because 7530081 - 2² = 7530077 is a prime.

It is a super-2 number, since 2×7530081² = 113404239733122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7530071) 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, 246 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (688716).

Almost surely, 2^7530081 is an apocalyptic number.

It is an amenable number.

7530081 is a deficient number, since it is larger than the sum of its proper divisors (3489375).

7530081 is a wasteful number, since it uses less digits than its factorization.

7530081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7530081 is about 2744.0993057832. The cubic root of 7530081 is about 196.0047288183.

The spelling of 7530081 in words is "seven million, five hundred thirty thousand, eighty-one".