7742513722 has 8 divisors (see below), whose sum is σ = 11617598772. Its totient is φ = 3869980800.

The previous prime is 7742513693. The next prime is 7742513731. The reversal of 7742513722 is 2273152477.

It can be written as a sum of positive squares in 2 ways, for example, as 5007119121 + 2735394601 = 70761^2 + 52301^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630429 + ... + 642592.

Almost surely, 2^7742513722 is an apocalyptic number.

7742513722 is a deficient number, since it is larger than the sum of its proper divisors (3875085050).

7742513722 is a wasteful number, since it uses less digits than its factorization.

7742513722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276064.

The product of its digits is 164640, while the sum is 40.

The square root of 7742513722 is about 87991.5548334043. The cubic root of 7742513722 is about 1978.3083979038.

The spelling of 7742513722 in words is "seven billion, seven hundred forty-two million, five hundred thirteen thousand, seven hundred twenty-two".