79081730 has 96 divisors (see below), whose sum is σ = 183181824. Its totient is φ = 23925888.

The previous prime is 79081729. The next prime is 79081741. The reversal of 79081730 is 3718097.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1682567 + ... + 1682613.

It is an arithmetic number, because the mean of its divisors is an integer number (1908144).

Almost surely, 2^79081730 is an apocalyptic number.

79081730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79081730 is an abundant number, since it is smaller than the sum of its proper divisors (104100094).

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

79081730 is a wasteful number, since it uses less digits than its factorization.

79081730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 79081730 is about 8892.7909004991. The cubic root of 79081730 is about 429.2319623318.

The spelling of 79081730 in words is "seventy-nine million, eighty-one thousand, seven hundred thirty".