69750067 has 4 divisors (see below), whose sum is σ = 71066160. Its totient is φ = 68433976.

The previous prime is 69750049. The next prime is 69750077. The reversal of 69750067 is 76005796.

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-69750067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69750047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657967 + ... + 658072.

It is an arithmetic number, because the mean of its divisors is an integer number (17766540).

Almost surely, 2^69750067 is an apocalyptic number.

69750067 is a deficient number, since it is larger than the sum of its proper divisors (1316093).

69750067 is a wasteful number, since it uses less digits than its factorization.

69750067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316092.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 69750067 is about 8351.6505554291. The cubic root of 69750067 is about 411.6374473370.

The spelling of 69750067 in words is "sixty-nine million, seven hundred fifty thousand, sixty-seven".