7275899 has 4 divisors (see below), whose sum is σ = 7284120. Its totient is φ = 7267680.

The previous prime is 7275883. The next prime is 7275911. The reversal of 7275899 is 9985727.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9985727 = 661 ⋅15107.

It is a cyclic number.

It is not a de Polignac number, because 7275899 - 2⁴ = 7275883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7275809) 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, 2597 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (1821030).

Almost surely, 2^7275899 is an apocalyptic number.

7275899 is a deficient number, since it is larger than the sum of its proper divisors (8221).

7275899 is a wasteful number, since it uses less digits than its factorization.

7275899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220.

The product of its digits is 317520, while the sum is 47.

The square root of 7275899 is about 2697.3874397276. The cubic root of 7275899 is about 193.7740221342.

The spelling of 7275899 in words is "seven million, two hundred seventy-five thousand, eight hundred ninety-nine".