69984051 has 4 divisors (see below), whose sum is σ = 93312072. Its totient is φ = 46656032.

The previous prime is 69984041. The next prime is 69984059. The reversal of 69984051 is 15048996.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69984051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69983994 and 69984012.

It is not an unprimeable number, because it can be changed into a prime (69984059) 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, 11664006 + ... + 11664011.

It is an arithmetic number, because the mean of its divisors is an integer number (23328018).

Almost surely, 2^69984051 is an apocalyptic number.

69984051 is a deficient number, since it is larger than the sum of its proper divisors (23328021).

69984051 is a wasteful number, since it uses less digits than its factorization.

69984051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328020.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 69984051 is about 8365.6470759888. The cubic root of 69984051 is about 412.0972274228.

The spelling of 69984051 in words is "sixty-nine million, nine hundred eighty-four thousand, fifty-one".