7742264147 has 4 divisors (see below), whose sum is σ = 7742986440. Its totient is φ = 7741541856.

The previous prime is 7742264141. The next prime is 7742264213. The reversal of 7742264147 is 7414622477.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7742264147 - 2⁸ = 7742263891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7742264098 and 7742264107.

It is not an unprimeable number, because it can be changed into a prime (7742264141) by changing a digit.

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, 344822 + ... + 366587.

It is an arithmetic number, because the mean of its divisors is an integer number (1935746610).

Almost surely, 2^7742264147 is an apocalyptic number.

7742264147 is a deficient number, since it is larger than the sum of its proper divisors (722293).

7742264147 is a wasteful number, since it uses less digits than its factorization.

7742264147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722292.

The product of its digits is 526848, while the sum is 44.

The square root of 7742264147 is about 87990.1366461037. The cubic root of 7742264147 is about 1978.2871411715.

The spelling of 7742264147 in words is "seven billion, seven hundred forty-two million, two hundred sixty-four thousand, one hundred forty-seven".