7081487 has 4 divisors (see below), whose sum is σ = 8093136. Its totient is φ = 6069840.

The previous prime is 7081457. The next prime is 7081499. The reversal of 7081487 is 7841807.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7081487 - 2¹² = 7077391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505814 + ... + 505827.

It is an arithmetic number, because the mean of its divisors is an integer number (2023284).

Almost surely, 2^7081487 is an apocalyptic number.

7081487 is a deficient number, since it is larger than the sum of its proper divisors (1011649).

7081487 is a wasteful number, since it uses less digits than its factorization.

7081487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011648.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 7081487 is about 2661.1063488707. The cubic root of 7081487 is about 192.0325375268.

The spelling of 7081487 in words is "seven million, eighty-one thousand, four hundred eighty-seven".