7642330771 has 4 divisors (see below), whose sum is σ = 7767614944. Its totient is φ = 7517046600.

The previous prime is 7642330757. The next prime is 7642330823. The reversal of 7642330771 is 1770332467.

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 7642330771 - 2¹⁹ = 7641806483 is a prime.

It is a super-2 number, since 2×7642330771² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7642330471) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 62641995 + ... + 62642116.

It is an arithmetic number, because the mean of its divisors is an integer number (1941903736).

Almost surely, 2^7642330771 is an apocalyptic number.

7642330771 is a deficient number, since it is larger than the sum of its proper divisors (125284173).

7642330771 is a wasteful number, since it uses less digits than its factorization.

7642330771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125284172.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 7642330771 is about 87420.4253650141. The cubic root of 7642330771 is about 1969.7386660647.

The spelling of 7642330771 in words is "seven billion, six hundred forty-two million, three hundred thirty thousand, seven hundred seventy-one".