7590420243 has 24 divisors (see below), whose sum is σ = 12821622528. Its totient is φ = 4236512112.

The previous prime is 7590420239. The next prime is 7590420307. The reversal of 7590420243 is 3420240957.

7590420243 is a `hidden beast` number, since 7 + 590 + 4 + 20 + 2 + 43 = 666.

It is not a de Polignac number, because 7590420243 - 2² = 7590420239 is a prime.

It is a super-3 number, since 3×7590420243³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 7590420198 and 7590420207.

It is not an unprimeable number, because it can be changed into a prime (7590420043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1398255 + ... + 1403672.

It is an arithmetic number, because the mean of its divisors is an integer number (534234272).

Almost surely, 2^7590420243 is an apocalyptic number.

7590420243 is a deficient number, since it is larger than the sum of its proper divisors (5231202285).

7590420243 is a wasteful number, since it uses less digits than its factorization.

7590420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801983 (or 2801980 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 7590420243 is about 87123.0178712836. The cubic root of 7590420243 is about 1965.2687137130.

The spelling of 7590420243 in words is "seven billion, five hundred ninety million, four hundred twenty thousand, two hundred forty-three".