69742187292 has 12 divisors (see below), whose sum is σ = 162731770376. Its totient is φ = 23247395760.

The previous prime is 69742187269. The next prime is 69742187321. The reversal of 69742187292 is 29278124796.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2905924459 + ... + 2905924482.

Almost surely, 2^69742187292 is an apocalyptic number.

It is an amenable number.

69742187292 is an abundant number, since it is smaller than the sum of its proper divisors (92989583084).

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

69742187292 is a wasteful number, since it uses less digits than its factorization.

69742187292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811848948 (or 5811848946 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 69742187292 in words is "sixty-nine billion, seven hundred forty-two million, one hundred eighty-seven thousand, two hundred ninety-two".