79420471 has 8 divisors (see below), whose sum is σ = 85792784. Its totient is φ = 73085760.

The previous prime is 79420469. The next prime is 79420483. The reversal of 79420471 is 17402497.

79420471 = T₃₄₈₉ + T₃₄₉₀ + ... + T₃₅₀₁.

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 79420471 - 2¹ = 79420469 is a prime.

It is a super-3 number, since 3×79420471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79420421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4926 + ... + 13531.

It is an arithmetic number, because the mean of its divisors is an integer number (10724098).

Almost surely, 2^79420471 is an apocalyptic number.

79420471 is a deficient number, since it is larger than the sum of its proper divisors (6372313).

79420471 is a wasteful number, since it uses less digits than its factorization.

79420471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18801.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 79420471 is about 8911.8163692931. The cubic root of 79420471 is about 429.8439509476.

The spelling of 79420471 in words is "seventy-nine million, four hundred twenty thousand, four hundred seventy-one".