79672673 has 2 divisors, whose sum is σ = 79672674. Its totient is φ = 79672672.

The previous prime is 79672651. The next prime is 79672709. The reversal of 79672673 is 37627697.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43335889 + 36336784 = 6583^2 + 6028^2 .

It is an emirp because it is prime and its reverse (37627697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79672673 - 2¹⁴ = 79656289 is a prime.

It is not a weakly prime, because it can be changed into another prime (79672603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39836336 + 39836337.

It is an arithmetic number, because the mean of its divisors is an integer number (39836337).

Almost surely, 2^79672673 is an apocalyptic number.

It is an amenable number.

79672673 is a deficient number, since it is larger than the sum of its proper divisors (1).

79672673 is an equidigital number, since it uses as much as digits as its factorization.

79672673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 47.

The square root of 79672673 is about 8925.9550189321. The cubic root of 79672673 is about 430.2984641412.

The spelling of 79672673 in words is "seventy-nine million, six hundred seventy-two thousand, six hundred seventy-three".