69870307872 has 48 divisors (see below), whose sum is σ = 186147031392. Its totient is φ = 22942487040.

The previous prime is 69870307847. The next prime is 69870307873. The reversal of 69870307872 is 27870307896.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (69870307873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5425029 + ... + 5437892.

It is an arithmetic number, because the mean of its divisors is an integer number (3878063154).

Almost surely, 2^69870307872 is an apocalyptic number.

It is an amenable number.

69870307872 is an abundant number, since it is smaller than the sum of its proper divisors (116276723520).

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

69870307872 is a wasteful number, since it uses less digits than its factorization.

69870307872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863001 (or 10862993 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 69870307872 in words is "sixty-nine billion, eight hundred seventy million, three hundred seven thousand, eight hundred seventy-two".