69375720642 has 32 divisors (see below), whose sum is σ = 146681046720. Its totient is φ = 21814087680.

The previous prime is 69375720629. The next prime is 69375720643. The reversal of 69375720642 is 24602757396.

It is a super-2 number, since 2×69375720642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69375720643) 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 15 ways as a sum of consecutive naturals, for example, 1279359 + ... + 1332482.

It is an arithmetic number, because the mean of its divisors is an integer number (4583782710).

Almost surely, 2^69375720642 is an apocalyptic number.

69375720642 is an abundant number, since it is smaller than the sum of its proper divisors (77305326078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69375720642 is a wasteful number, since it uses less digits than its factorization.

69375720642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612098.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 69375720642 in words is "sixty-nine billion, three hundred seventy-five million, seven hundred twenty thousand, six hundred forty-two".