84032730072 has 96 divisors (see below), whose sum is σ = 236283028800. Its totient is φ = 27979439904.

The previous prime is 84032730053. The next prime is 84032730113. The reversal of 84032730072 is 27003723048.

It is a super-2 number, since 2×84032730072² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1739379 + ... + 1787037.

It is an arithmetic number, because the mean of its divisors is an integer number (2461281550).

Almost surely, 2^84032730072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84032730072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118141514400).

84032730072 is an abundant number, since it is smaller than the sum of its proper divisors (152250298728).

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

84032730072 is a wasteful number, since it uses less digits than its factorization.

84032730072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48587 (or 48571 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 84032730072 in words is "eighty-four billion, thirty-two million, seven hundred thirty thousand, seventy-two".