7742948870 has 8 divisors (see below), whose sum is σ = 13937307984. Its totient is φ = 3097179544.

The previous prime is 7742948797. The next prime is 7742948879. The reversal of 7742948870 is 788492477.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742948879) 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, 387147434 + ... + 387147453.

It is an arithmetic number, because the mean of its divisors is an integer number (1742163498).

Almost surely, 2^7742948870 is an apocalyptic number.

7742948870 is a deficient number, since it is larger than the sum of its proper divisors (6194359114).

7742948870 is a wasteful number, since it uses less digits than its factorization.

7742948870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774294894.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The square root of 7742948870 is about 87994.0274677776. The cubic root of 7742948870 is about 1978.3454591153.

The spelling of 7742948870 in words is "seven billion, seven hundred forty-two million, nine hundred forty-eight thousand, eight hundred seventy".