79020041 has 4 divisors (see below), whose sum is σ = 81744900. Its totient is φ = 76295184.

The previous prime is 79020013. The next prime is 79020043. The reversal of 79020041 is 14002097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14002097 = 383 ⋅36559.

It can be written as a sum of positive squares in 2 ways, for example, as 31685641 + 47334400 = 5629^2 + 6880^2 .

It is a cyclic number.

It is not a de Polignac number, because 79020041 - 2⁶ = 79019977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79019989 and 79020016.

It is not an unprimeable number, because it can be changed into a prime (79020043) 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, 1362386 + ... + 1362443.

It is an arithmetic number, because the mean of its divisors is an integer number (20436225).

Almost surely, 2^79020041 is an apocalyptic number.

It is an amenable number.

79020041 is a deficient number, since it is larger than the sum of its proper divisors (2724859).

79020041 is a wasteful number, since it uses less digits than its factorization.

79020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724858.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 79020041 is about 8889.3217401554. The cubic root of 79020041 is about 429.1203234884.

The spelling of 79020041 in words is "seventy-nine million, twenty thousand, forty-one".