7439890732273 has 8 divisors (see below), whose sum is σ = 7544465627688. Its totient is φ = 7335387690624.

The previous prime is 7439890732217. The next prime is 7439890732283. The reversal of 7439890732273 is 3722370989347.

It can be written as a sum of positive squares in 4 ways, for example, as 1392383480049 + 6047507252224 = 1179993^2 + 2459168^2 .

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 7439890732273 - 2⁹ = 7439890731761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7439890732283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17754886 + ... + 18169087.

It is an arithmetic number, because the mean of its divisors is an integer number (943058203461).

Almost surely, 2^{7439890732273} is an apocalyptic number.

7439890732273 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7439890732273 is a deficient number, since it is larger than the sum of its proper divisors (104574895415).

7439890732273 is a wasteful number, since it uses less digits than its factorization.

7439890732273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35926883.

The product of its (nonzero) digits is 96018048, while the sum is 64.

The spelling of 7439890732273 in words is "seven trillion, four hundred thirty-nine billion, eight hundred ninety million, seven hundred thirty-two thousand, two hundred seventy-three".