7243661830 has 8 divisors (see below), whose sum is σ = 13038591312. Its totient is φ = 2897464728.

The previous prime is 7243661813. The next prime is 7243661833. The reversal of 7243661830 is 381663427.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243661833) 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, 362183082 + ... + 362183101.

It is an arithmetic number, because the mean of its divisors is an integer number (1629823914).

Almost surely, 2^7243661830 is an apocalyptic number.

7243661830 is a deficient number, since it is larger than the sum of its proper divisors (5794929482).

7243661830 is a wasteful number, since it uses less digits than its factorization.

7243661830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724366190.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 7243661830 is about 85109.7046757889. The cubic root of 7243661830 is about 1934.8741495735.

The spelling of 7243661830 in words is "seven billion, two hundred forty-three million, six hundred sixty-one thousand, eight hundred thirty".