7900243 has 6 divisors (see below), whose sum is σ = 8554884. Its totient is φ = 7292376.

The previous prime is 7900231. The next prime is 7900253. The reversal of 7900243 is 3420097.

It is not a de Polignac number, because 7900243 - 2¹³ = 7892051 is a prime.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (7900213) 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 5 ways as a sum of consecutive naturals, for example, 23205 + ... + 23542.

It is an arithmetic number, because the mean of its divisors is an integer number (1425814).

Almost surely, 2^7900243 is an apocalyptic number.

7900243 is a deficient number, since it is larger than the sum of its proper divisors (654641).

7900243 is a wasteful number, since it uses less digits than its factorization.

7900243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46773 (or 46760 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7900243 is about 2810.7370919387. The cubic root of 7900243 is about 199.1652121608.

The spelling of 7900243 in words is "seven million, nine hundred thousand, two hundred forty-three".