69673753428 has 36 divisors (see below), whose sum is σ = 172697697312. Its totient is φ = 21858431360.

The previous prime is 69673753397. The next prime is 69673753439. The reversal of 69673753428 is 82435737696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10041768 + ... + 10048703.

Almost surely, 2^69673753428 is an apocalyptic number.

69673753428 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

69673753428 is an abundant number, since it is smaller than the sum of its proper divisors (103023943884).

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

69673753428 is a wasteful number, since it uses less digits than its factorization.

69673753428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090512 (or 20090493 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 60.

The spelling of 69673753428 in words is "sixty-nine billion, six hundred seventy-three million, seven hundred fifty-three thousand, four hundred twenty-eight".