79471538 has 8 divisors (see below), whose sum is σ = 123052800. Its totient is φ = 38453940.

The previous prime is 79471537. The next prime is 79471591. The reversal of 79471538 is 83517497.

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

It is not an unprimeable number, because it can be changed into a prime (79471531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640838 + ... + 640961.

It is an arithmetic number, because the mean of its divisors is an integer number (15381600).

Almost surely, 2^79471538 is an apocalyptic number.

79471538 is a deficient number, since it is larger than the sum of its proper divisors (43581262).

79471538 is a wasteful number, since it uses less digits than its factorization.

79471538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281832.

The product of its digits is 211680, while the sum is 44.

The square root of 79471538 is about 8914.6810374797. The cubic root of 79471538 is about 429.9360604406.

The spelling of 79471538 in words is "seventy-nine million, four hundred seventy-one thousand, five hundred thirty-eight".