84100272 has 40 divisors (see below), whose sum is σ = 224271360. Its totient is φ = 27128640.

The previous prime is 84100271. The next prime is 84100301. The reversal of 84100272 is 27200148.

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (84100271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26772 + ... + 29747.

It is an arithmetic number, because the mean of its divisors is an integer number (5606784).

Almost surely, 2^84100272 is an apocalyptic number.

It is an amenable number.

84100272 is an abundant number, since it is smaller than the sum of its proper divisors (140171088).

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

84100272 is a wasteful number, since it uses less digits than its factorization.

84100272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56561 (or 56555 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 84100272 is about 9170.6200444681. The cubic root of 84100272 is about 438.1261078467.

The spelling of 84100272 in words is "eighty-four million, one hundred thousand, two hundred seventy-two".