69840747076 has 9 divisors (see below), whose sum is σ = 122222232349. Its totient is φ = 34920109264.

The previous prime is 69840747059. The next prime is 69840747133. The reversal of 69840747076 is 67074704896.

The square root of 69840747076 is 264274.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7428716100 + 62412030976 = 86190^2 + 249824^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69840747076.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 462480 + ... + 594616.

Almost surely, 2^69840747076 is an apocalyptic number.

69840747076 is the 264274-th square number.

It is an amenable number.

69840747076 is a deficient number, since it is larger than the sum of its proper divisors (52381485273).

69840747076 is an frugal number, since it uses more digits than its factorization.

69840747076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264278 (or 132139 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 69840747076 in words is "sixty-nine billion, eight hundred forty million, seven hundred forty-seven thousand, seventy-six".