79746971 has 8 divisors (see below), whose sum is σ = 84411600. Its totient is φ = 75129120.

The previous prime is 79746943. The next prime is 79746977. The reversal of 79746971 is 17964797.

It is a happy number.

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 79746971 - 2¹⁰ = 79745947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79746977) 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, 8156 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (10551450).

Almost surely, 2^79746971 is an apocalyptic number.

79746971 is a deficient number, since it is larger than the sum of its proper divisors (4664629).

79746971 is a wasteful number, since it uses less digits than its factorization.

79746971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23389.

The product of its digits is 666792, while the sum is 50.

The square root of 79746971 is about 8930.1159566940. The cubic root of 79746971 is about 430.4321795100.

The spelling of 79746971 in words is "seventy-nine million, seven hundred forty-six thousand, nine hundred seventy-one".