7137081 has 12 divisors (see below), whose sum is σ = 11781952. Its totient is φ = 4078296.

The previous prime is 7137077. The next prime is 7137083. The reversal of 7137081 is 1807317.

It is not a de Polignac number, because 7137081 - 2² = 7137077 is a prime.

It is a super-2 number, since 2×7137081² = 101875850401122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7137083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56581 + ... + 56706.

Almost surely, 2^7137081 is an apocalyptic number.

It is an amenable number.

7137081 is a deficient number, since it is larger than the sum of its proper divisors (4644871).

7137081 is a wasteful number, since it uses less digits than its factorization.

7137081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113300 (or 113297 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 7137081 is about 2671.5315831934. The cubic root of 7137081 is about 192.5337524444.

The spelling of 7137081 in words is "seven million, one hundred thirty-seven thousand, eighty-one".