79020001 has 4 divisors (see below), whose sum is σ = 80199472. Its totient is φ = 77840532.

The previous prime is 79019989. The next prime is 79020013. The reversal of 79020001 is 10002097.

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 an interprime number because it is at equal distance from previous prime (79019989) and next prime (79020013).

It is a cyclic number.

It is not a de Polignac number, because 79020001 - 2⁹ = 79019489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589635 + ... + 589768.

It is an arithmetic number, because the mean of its divisors is an integer number (20049868).

Almost surely, 2^79020001 is an apocalyptic number.

It is an amenable number.

79020001 is a deficient number, since it is larger than the sum of its proper divisors (1179471).

79020001 is a wasteful number, since it uses less digits than its factorization.

79020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179470.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 79020001 is about 8889.3194902647. The cubic root of 79020001 is about 429.1202510814.

Adding to 79020001 its reverse (10002097), we get a palindrome (89022098).

The spelling of 79020001 in words is "seventy-nine million, twenty thousand, one".