69727472352 has 120 divisors (see below), whose sum is σ = 206325886536. Its totient is φ = 23099758848.

The previous prime is 69727472333. The next prime is 69727472377. The reversal of 69727472352 is 25327472796.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 339978 + ... + 505014.

Almost surely, 2^69727472352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69727472352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103162943268).

69727472352 is an abundant number, since it is smaller than the sum of its proper divisors (136598414184).

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

69727472352 is a wasteful number, since it uses less digits than its factorization.

69727472352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165222 (or 165205 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The spelling of 69727472352 in words is "sixty-nine billion, seven hundred twenty-seven million, four hundred seventy-two thousand, three hundred fifty-two".