69912001 has 4 divisors (see below), whose sum is σ = 73591600. Its totient is φ = 66232404.

The previous prime is 69911977. The next prime is 69912047. The reversal of 69912001 is 10021996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 69912001 - 2⁵ = 69911969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69912091) 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, 1839771 + ... + 1839808.

It is an arithmetic number, because the mean of its divisors is an integer number (18397900).

Almost surely, 2^69912001 is an apocalyptic number.

It is an amenable number.

69912001 is a deficient number, since it is larger than the sum of its proper divisors (3679599).

69912001 is a wasteful number, since it uses less digits than its factorization.

69912001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679598.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 69912001 is about 8361.3396653886. The cubic root of 69912001 is about 411.9557580451.

Adding to 69912001 its reverse (10021996), we get a palindrome (79933997).

The spelling of 69912001 in words is "sixty-nine million, nine hundred twelve thousand, one".