79765673 has 8 divisors (see below), whose sum is σ = 88223688. Its totient is φ = 71639424.

The previous prime is 79765663. The next prime is 79765687. The reversal of 79765673 is 37656797.

It can be written as a sum of positive squares in 4 ways, for example, as 2096704 + 77668969 = 1448^2 + 8813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79765673 - 2⁴ = 79765657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79765603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82436 + ... + 83397.

It is an arithmetic number, because the mean of its divisors is an integer number (11027961).

Almost surely, 2^79765673 is an apocalyptic number.

It is an amenable number.

79765673 is a deficient number, since it is larger than the sum of its proper divisors (8458015).

79765673 is a wasteful number, since it uses less digits than its factorization.

79765673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165883.

The product of its digits is 1666980, while the sum is 50.

The square root of 79765673 is about 8931.1630261685. The cubic root of 79765673 is about 430.4658247311.

The spelling of 79765673 in words is "seventy-nine million, seven hundred sixty-five thousand, six hundred seventy-three".