7642297069 has 4 divisors (see below), whose sum is σ = 8337051360. Its totient is φ = 6947542780.

The previous prime is 7642297067. The next prime is 7642297139. The reversal of 7642297069 is 9607922467.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7642297069 - 2¹ = 7642297067 is a prime.

It is a super-2 number, since 2×7642297069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642297067) 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, 347377129 + ... + 347377150.

It is an arithmetic number, because the mean of its divisors is an integer number (2084262840).

Almost surely, 2^7642297069 is an apocalyptic number.

It is an amenable number.

7642297069 is a deficient number, since it is larger than the sum of its proper divisors (694754291).

7642297069 is a wasteful number, since it uses less digits than its factorization.

7642297069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694754290.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 7642297069 is about 87420.2326066455. The cubic root of 7642297069 is about 1969.7357706029.

The spelling of 7642297069 in words is "seven billion, six hundred forty-two million, two hundred ninety-seven thousand, sixty-nine".