7438727616 has 28 divisors (see below), whose sum is σ = 19681633992. Its totient is φ = 2479575808.

The previous prime is 7438727609. The next prime is 7438727617. The reversal of 7438727616 is 6167278347.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438727617) 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, 19371495 + ... + 19371878.

Almost surely, 2^7438727616 is an apocalyptic number.

It is an amenable number.

7438727616 is an abundant number, since it is smaller than the sum of its proper divisors (12242906376).

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

7438727616 is a wasteful number, since it uses less digits than its factorization.

7438727616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38743388 (or 38743378 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The square root of 7438727616 is about 86248.0586216293. The cubic root of 7438727616 is about 1952.0887209966.

The spelling of 7438727616 in words is "seven billion, four hundred thirty-eight million, seven hundred twenty-seven thousand, six hundred sixteen".