6742252069 has 12 divisors (see below), whose sum is σ = 7848597900. Its totient is φ = 5774969088.

The previous prime is 6742252061. The next prime is 6742252091. The reversal of 6742252069 is 9602522476.

It can be written as a sum of positive squares in 2 ways, for example, as 1972692225 + 4769559844 = 44415^2 + 69062^2 .

It is not a de Polignac number, because 6742252069 - 2³ = 6742252061 is a prime.

It is a super-2 number, since 2×6742252069² = 90915925923869561522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742252061) 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 11 ways as a sum of consecutive naturals, for example, 21877 + ... + 118165.

It is an arithmetic number, because the mean of its divisors is an integer number (654049825).

Almost surely, 2^6742252069 is an apocalyptic number.

It is an amenable number.

6742252069 is a deficient number, since it is larger than the sum of its proper divisors (1106345831).

6742252069 is a wasteful number, since it uses less digits than its factorization.

6742252069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97732 (or 97725 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 6742252069 is about 82111.2176806555. The cubic root of 6742252069 is about 1889.1582030840.

The spelling of 6742252069 in words is "six billion, seven hundred forty-two million, two hundred fifty-two thousand, sixty-nine".