79285730 has 8 divisors (see below), whose sum is σ = 142714332. Its totient is φ = 31714288.

The previous prime is 79285729. The next prime is 79285741. The reversal of 79285730 is 3758297.

It can be written as a sum of positive squares in 2 ways, for example, as 77492809 + 1792921 = 8803^2 + 1339^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964277 + ... + 3964296.

Almost surely, 2^79285730 is an apocalyptic number.

79285730 is a deficient number, since it is larger than the sum of its proper divisors (63428602).

79285730 is a wasteful number, since it uses less digits than its factorization.

79285730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928580.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 79285730 is about 8904.2534779733. The cubic root of 79285730 is about 429.6007290704.

The spelling of 79285730 in words is "seventy-nine million, two hundred eighty-five thousand, seven hundred thirty".