79275039 has 4 divisors (see below), whose sum is σ = 105700056. Its totient is φ = 52850024.

The previous prime is 79274989. The next prime is 79275047. The reversal of 79275039 is 93057297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93057297 = 3 ⋅31019099.

It is a cyclic number.

It is not a de Polignac number, because 79275039 - 2⁹ = 79274527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79270039) 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, 13212504 + ... + 13212509.

It is an arithmetic number, because the mean of its divisors is an integer number (26425014).

Almost surely, 2^79275039 is an apocalyptic number.

79275039 is a deficient number, since it is larger than the sum of its proper divisors (26425017).

79275039 is a wasteful number, since it uses less digits than its factorization.

79275039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26425016.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 79275039 is about 8903.6531266666. The cubic root of 79275039 is about 429.5814188791.

The spelling of 79275039 in words is "seventy-nine million, two hundred seventy-five thousand, thirty-nine".