7290993 has 4 divisors (see below), whose sum is σ = 9721328. Its totient is φ = 4860660.

The previous prime is 7290991. The next prime is 7291001. The reversal of 7290993 is 3990927.

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 an emirpimes, since its reverse is a distinct semiprime: 3990927 = 3 ⋅1330309.

It is not a de Polignac number, because 7290993 - 2¹ = 7290991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7290991) 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, 1215163 + ... + 1215168.

It is an arithmetic number, because the mean of its divisors is an integer number (2430332).

Almost surely, 2^7290993 is an apocalyptic number.

It is an amenable number.

7290993 is a deficient number, since it is larger than the sum of its proper divisors (2430335).

7290993 is a wasteful number, since it uses less digits than its factorization.

7290993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430334.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 7290993 is about 2700.1838826273. The cubic root of 7290993 is about 193.9079256276.

The spelling of 7290993 in words is "seven million, two hundred ninety thousand, nine hundred ninety-three".