7243039990 has 16 divisors (see below), whose sum is σ = 13041600048. Its totient is φ = 2896298656.

The previous prime is 7243039961. The next prime is 7243040003. The reversal of 7243039990 is 999303427.

It is a self number, because there is not a number n which added to its sum of digits gives 7243039990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81037 + ... + 145096.

It is an arithmetic number, because the mean of its divisors is an integer number (815100003).

Almost surely, 2^7243039990 is an apocalyptic number.

7243039990 is a deficient number, since it is larger than the sum of its proper divisors (5798560058).

7243039990 is a wasteful number, since it uses less digits than its factorization.

7243039990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229343.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 7243039990 is about 85106.0514299659. The cubic root of 7243039990 is about 1934.8187808663.

The spelling of 7243039990 in words is "seven billion, two hundred forty-three million, thirty-nine thousand, nine hundred ninety".