7742922505 has 8 divisors (see below), whose sum is σ = 9292387392. Its totient is φ = 6193751088.

The previous prime is 7742922479. The next prime is 7742922563. The reversal of 7742922505 is 5052292477.

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 7742922505 - 2⁹ = 7742921993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10407 + ... + 124876.

It is an arithmetic number, because the mean of its divisors is an integer number (1161548424).

Almost surely, 2^7742922505 is an apocalyptic number.

It is an amenable number.

7742922505 is a deficient number, since it is larger than the sum of its proper divisors (1549464887).

7742922505 is a wasteful number, since it uses less digits than its factorization.

7742922505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146735.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 7742922505 is about 87993.8776563461. The cubic root of 7742922505 is about 1978.3432136685.

The spelling of 7742922505 in words is "seven billion, seven hundred forty-two million, nine hundred twenty-two thousand, five hundred five".