7290055 has 4 divisors (see below), whose sum is σ = 8748072. Its totient is φ = 5832040.

The previous prime is 7290043. The next prime is 7290061. The reversal of 7290055 is 5500927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5500927 = 47 ⋅117041.

It is not a de Polignac number, because 7290055 - 2⁹ = 7289543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729001 + ... + 729010.

It is an arithmetic number, because the mean of its divisors is an integer number (2187018).

Almost surely, 2^7290055 is an apocalyptic number.

7290055 is a deficient number, since it is larger than the sum of its proper divisors (1458017).

7290055 is a wasteful number, since it uses less digits than its factorization.

7290055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458016.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 7290055 is about 2700.0101851660. The cubic root of 7290055 is about 193.8996097309.

The spelling of 7290055 in words is "seven million, two hundred ninety thousand, fifty-five".