79481682 has 64 divisors (see below), whose sum is σ = 202844160. Its totient is φ = 22598352.

The previous prime is 79481671. The next prime is 79481683. The reversal of 79481682 is 28618497.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79481683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106603 + ... + 107345.

It is an arithmetic number, because the mean of its divisors is an integer number (3169440).

Almost surely, 2^79481682 is an apocalyptic number.

79481682 is the 4458-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79481682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101422080).

79481682 is an abundant number, since it is smaller than the sum of its proper divisors (123362478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79481682 is a wasteful number, since it uses less digits than its factorization.

79481682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 79481682 is about 8915.2499684529. The cubic root of 79481682 is about 429.9543524646.

The spelling of 79481682 in words is "seventy-nine million, four hundred eighty-one thousand, six hundred eighty-two".