69980993 has 4 divisors (see below), whose sum is σ = 74097540. Its totient is φ = 65864448.

The previous prime is 69980987. The next prime is 69981007. The reversal of 69980993 is 39908996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 24930049 = 6712^2 + 4993^2 .

It is a cyclic number.

It is not a de Polignac number, because 69980993 - 2⁶ = 69980929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69982993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058248 + ... + 2058281.

It is an arithmetic number, because the mean of its divisors is an integer number (18524385).

Almost surely, 2^69980993 is an apocalyptic number.

It is an amenable number.

69980993 is a deficient number, since it is larger than the sum of its proper divisors (4116547).

69980993 is a wasteful number, since it uses less digits than its factorization.

69980993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116546.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 69980993 is about 8365.4643027151. The cubic root of 69980993 is about 412.0912250472.

The spelling of 69980993 in words is "sixty-nine million, nine hundred eighty thousand, nine hundred ninety-three".