7498739668 has 48 divisors (see below), whose sum is σ = 15571067904. Its totient is φ = 3092037120.

The previous prime is 7498739623. The next prime is 7498739669. The reversal of 7498739668 is 8669378947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7498739669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125196 + ... + 175132.

It is an arithmetic number, because the mean of its divisors is an integer number (324397248).

Almost surely, 2^7498739668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7498739668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7785533952).

7498739668 is an abundant number, since it is smaller than the sum of its proper divisors (8072328236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7498739668 is a wasteful number, since it uses less digits than its factorization.

7498739668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50152 (or 50150 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 67.

The square root of 7498739668 is about 86595.2635425287. The cubic root of 7498739668 is about 1957.3241692651.

The spelling of 7498739668 in words is "seven billion, four hundred ninety-eight million, seven hundred thirty-nine thousand, six hundred sixty-eight".