7103993 has 4 divisors (see below), whose sum is σ = 7650468. Its totient is φ = 6557520.

The previous prime is 7103981. The next prime is 7104001. The reversal of 7103993 is 3993017.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 3211264 = 1973^2 + 1792^2 .

It is a cyclic number.

It is not a de Polignac number, because 7103993 - 2²² = 2909689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7103903) 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, 273218 + ... + 273243.

It is an arithmetic number, because the mean of its divisors is an integer number (1912617).

Almost surely, 2^7103993 is an apocalyptic number.

It is an amenable number.

7103993 is a deficient number, since it is larger than the sum of its proper divisors (546475).

7103993 is a wasteful number, since it uses less digits than its factorization.

7103993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546474.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 7103993 is about 2665.3316866762. The cubic root of 7103993 is about 192.2357582077.

The spelling of 7103993 in words is "seven million, one hundred three thousand, nine hundred ninety-three".