84284732730 has 64 divisors (see below), whose sum is σ = 224290394496. Its totient is φ = 20097696000.

The previous prime is 84284732717. The next prime is 84284732737. The reversal of 84284732730 is 3723748248.

It is a self number, because there is not a number n which added to its sum of digits gives 84284732730.

It is not an unprimeable number, because it can be changed into a prime (84284732737) 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, 2073381 + ... + 2113640.

It is an arithmetic number, because the mean of its divisors is an integer number (3504537414).

Almost surely, 2^84284732730 is an apocalyptic number.

84284732730 is an abundant number, since it is smaller than the sum of its proper divisors (140005661766).

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

84284732730 is a wasteful number, since it uses less digits than its factorization.

84284732730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187103.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 84284732730 in words is "eighty-four billion, two hundred eighty-four million, seven hundred thirty-two thousand, seven hundred thirty".