84300720 has 240 divisors, whose sum is σ = 317479680. Its totient is φ = 18123264.

The previous prime is 84300707. The next prime is 84300737. The reversal of 84300720 is 2700348.

84300720 = T₇₇ + T₇₈ + ... + T₇₉₆.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×84300720² = 14213222785036800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 606411 + ... + 606549.

It is an arithmetic number, because the mean of its divisors is an integer number (1322832).

Almost surely, 2^84300720 is an apocalyptic number.

84300720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84300720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158739840).

84300720 is an abundant number, since it is smaller than the sum of its proper divisors (233178960).

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

84300720 is a wasteful number, since it uses less digits than its factorization.

84300720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 84300720 is about 9181.5423540928. The cubic root of 84300720 is about 438.4739141806.

The spelling of 84300720 in words is "eighty-four million, three hundred thousand, seven hundred twenty".