69966007 has 4 divisors (see below), whose sum is σ = 70002520. Its totient is φ = 69929496.

The previous prime is 69965993. The next prime is 69966011. The reversal of 69966007 is 70066996.

It is a happy number.

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 69966007 - 2⁷ = 69965879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69966077) 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, 15213 + ... + 19270.

It is an arithmetic number, because the mean of its divisors is an integer number (17500630).

Almost surely, 2^69966007 is an apocalyptic number.

69966007 is a deficient number, since it is larger than the sum of its proper divisors (36513).

69966007 is a wasteful number, since it uses less digits than its factorization.

69966007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36512.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 69966007 is about 8364.5685483472. The cubic root of 69966007 is about 412.0618073453.

The spelling of 69966007 in words is "sixty-nine million, nine hundred sixty-six thousand, seven".