69970667 has 4 divisors (see below), whose sum is σ = 75353040. Its totient is φ = 64588296.

The previous prime is 69970633. The next prime is 69970687. The reversal of 69970667 is 76607996.

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 69970667 - 2⁶ = 69970603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69970687) 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, 2691167 + ... + 2691192.

It is an arithmetic number, because the mean of its divisors is an integer number (18838260).

Almost surely, 2^69970667 is an apocalyptic number.

69970667 is a deficient number, since it is larger than the sum of its proper divisors (5382373).

69970667 is a wasteful number, since it uses less digits than its factorization.

69970667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382372.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 69970667 is about 8364.8470996187. The cubic root of 69970667 is about 412.0709554325.

The spelling of 69970667 in words is "sixty-nine million, nine hundred seventy thousand, six hundred sixty-seven".