79946705 has 4 divisors (see below), whose sum is σ = 95936052. Its totient is φ = 63957360.

The previous prime is 79946693. The next prime is 79946717. The reversal of 79946705 is 50764997.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (79946693) and next prime (79946717).

It can be written as a sum of positive squares in 2 ways, for example, as 38588944 + 41357761 = 6212^2 + 6431^2 .

It is not a de Polignac number, because 79946705 - 2⁶ = 79946641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79946705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7994666 + ... + 7994675.

It is an arithmetic number, because the mean of its divisors is an integer number (23984013).

Almost surely, 2^79946705 is an apocalyptic number.

It is an amenable number.

79946705 is a deficient number, since it is larger than the sum of its proper divisors (15989347).

79946705 is a wasteful number, since it uses less digits than its factorization.

79946705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15989346.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 79946705 is about 8941.2921325723. The cubic root of 79946705 is about 430.7912329200.

The spelling of 79946705 in words is "seventy-nine million, nine hundred forty-six thousand, seven hundred five".