84079730 has 64 divisors (see below), whose sum is σ = 178599168. Its totient is φ = 27905280.

The previous prime is 84079711. The next prime is 84079741. The reversal of 84079730 is 3797048.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485924 + ... + 486096.

It is an arithmetic number, because the mean of its divisors is an integer number (2790612).

Almost surely, 2^84079730 is an apocalyptic number.

It is a pronic number, being equal to 9169×9170.

84079730 is an abundant number, since it is smaller than the sum of its proper divisors (94519438).

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

84079730 is a wasteful number, since it uses less digits than its factorization.

84079730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 84079730 is about 9169.4999863678. The cubic root of 84079730 is about 438.0904332915.

The spelling of 84079730 in words is "eighty-four million, seventy-nine thousand, seven hundred thirty".