69631692672 has 128 divisors (see below), whose sum is σ = 189575861760. Its totient is φ = 22634790912.

The previous prime is 69631692667. The next prime is 69631692707. The reversal of 69631692672 is 27629613696.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 5100768 + ... + 5114400.

It is an arithmetic number, because the mean of its divisors is an integer number (1481061420).

Almost surely, 2^69631692672 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 69631692672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94787930880).

69631692672 is an abundant number, since it is smaller than the sum of its proper divisors (119944169088).

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

69631692672 is a wasteful number, since it uses less digits than its factorization.

69631692672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980 (or 13968 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The spelling of 69631692672 in words is "sixty-nine billion, six hundred thirty-one million, six hundred ninety-two thousand, six hundred seventy-two".