7987073 has 4 divisors (see below), whose sum is σ = 7992768. Its totient is φ = 7981380.

The previous prime is 7987069. The next prime is 7987081. The reversal of 7987073 is 3707897.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3707897 = 103 ⋅35999.

It is a cyclic number.

It is not a de Polignac number, because 7987073 - 2² = 7987069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7987073.

It is not an unprimeable number, because it can be changed into a prime (7987013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (1998192).

Almost surely, 2^7987073 is an apocalyptic number.

It is an amenable number.

7987073 is a deficient number, since it is larger than the sum of its proper divisors (5695).

7987073 is a wasteful number, since it uses less digits than its factorization.

7987073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 7987073 is about 2826.1410085132. The cubic root of 7987073 is about 199.8922169245.

The spelling of 7987073 in words is "seven million, nine hundred eighty-seven thousand, seventy-three".