7437640243 has 8 divisors (see below), whose sum is σ = 8154978480. Its totient is φ = 6727166880.

The previous prime is 7437640229. The next prime is 7437640253. The reversal of 7437640243 is 3420467347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7437640243 - 2²⁹ = 6900769331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7437640196 and 7437640205.

It is not an unprimeable number, because it can be changed into a prime (7437640253) 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 7 ways as a sum of consecutive naturals, for example, 1713948 + ... + 1718281.

It is an arithmetic number, because the mean of its divisors is an integer number (1019372310).

Almost surely, 2^7437640243 is an apocalyptic number.

7437640243 is a deficient number, since it is larger than the sum of its proper divisors (717338237).

7437640243 is a wasteful number, since it uses less digits than its factorization.

7437640243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432437.

The product of its (nonzero) digits is 338688, while the sum is 40.

The square root of 7437640243 is about 86241.7546377623. The cubic root of 7437640243 is about 1951.9935993524.

The spelling of 7437640243 in words is "seven billion, four hundred thirty-seven million, six hundred forty thousand, two hundred forty-three".