69660043 has 4 divisors (see below), whose sum is σ = 71280088. Its totient is φ = 68040000.

The previous prime is 69660037. The next prime is 69660083. The reversal of 69660043 is 34006696.

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

It is a cyclic number.

It is not a de Polignac number, because 69660043 - 2¹⁷ = 69528971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69659990 and 69660008.

It is not an unprimeable number, because it can be changed into a prime (69660013) 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, 809958 + ... + 810043.

It is an arithmetic number, because the mean of its divisors is an integer number (17820022).

Almost surely, 2^69660043 is an apocalyptic number.

69660043 is a deficient number, since it is larger than the sum of its proper divisors (1620045).

69660043 is a wasteful number, since it uses less digits than its factorization.

69660043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620044.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 69660043 is about 8346.2592219509. The cubic root of 69660043 is about 411.4602756848.

The spelling of 69660043 in words is "sixty-nine million, six hundred sixty thousand, forty-three".