79005213 has 20 divisors (see below), whose sum is σ = 134881120. Its totient is φ = 45145512.

The previous prime is 79005197. The next prime is 79005217. The reversal of 79005213 is 31250097.

It is not a de Polignac number, because 79005213 - 2⁴ = 79005197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79005217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69103 + ... + 70236.

It is an arithmetic number, because the mean of its divisors is an integer number (6744056).

Almost surely, 2^79005213 is an apocalyptic number.

It is an amenable number.

79005213 is a deficient number, since it is larger than the sum of its proper divisors (55875907).

79005213 is a wasteful number, since it uses less digits than its factorization.

79005213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139358 (or 139349 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 79005213 is about 8888.4876666394. The cubic root of 79005213 is about 429.0934805335.

The spelling of 79005213 in words is "seventy-nine million, five thousand, two hundred thirteen".