69972001 has 8 divisors (see below), whose sum is σ = 76965408. Its totient is φ = 63609700.

The previous prime is 69971999. The next prime is 69972037. The reversal of 69972001 is 10027996.

It is not a de Polignac number, because 69972001 - 2¹ = 69971999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69972061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24955 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (9620676).

Almost surely, 2^69972001 is an apocalyptic number.

It is an amenable number.

69972001 is a deficient number, since it is larger than the sum of its proper divisors (6993407).

69972001 is an equidigital number, since it uses as much as digits as its factorization.

69972001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52604 (or 52582 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 69972001 is about 8364.9268376956. The cubic root of 69972001 is about 412.0735741449.

Adding to 69972001 its reverse (10027996), we get a palindrome (79999997).

It can be divided in two parts, 6997 and 2001, that added together give a palindrome (8998).

The spelling of 69972001 in words is "sixty-nine million, nine hundred seventy-two thousand, one".