69000140742 has 128 divisors (see below), whose sum is σ = 158059762560. Its totient is φ = 19926466560.

The previous prime is 69000140717. The next prime is 69000140777. The reversal of 69000140742 is 24704100096.

It is a happy number.

It is a super-2 number, since 2×69000140742² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29027058 + ... + 29029434.

It is an arithmetic number, because the mean of its divisors is an integer number (1234841895).

Almost surely, 2^69000140742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69000140742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79029881280).

69000140742 is an abundant number, since it is smaller than the sum of its proper divisors (89059621818).

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

69000140742 is a wasteful number, since it uses less digits than its factorization.

69000140742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 69000140742 in words is "sixty-nine billion, one hundred forty thousand, seven hundred forty-two".