84541172 has 6 divisors (see below), whose sum is σ = 147947058. Its totient is φ = 42270584.

The previous prime is 84541151. The next prime is 84541199. The reversal of 84541172 is 27114548.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 7873636 = 8756^2 + 2806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10567643 + ... + 10567650.

It is an arithmetic number, because the mean of its divisors is an integer number (24657843).

Almost surely, 2^84541172 is an apocalyptic number.

It is an amenable number.

84541172 is a deficient number, since it is larger than the sum of its proper divisors (63405886).

84541172 is a wasteful number, since it uses less digits than its factorization.

84541172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135297 (or 21135295 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 84541172 is about 9194.6273442701. The cubic root of 84541172 is about 438.8904066556.

The spelling of 84541172 in words is "eighty-four million, five hundred forty-one thousand, one hundred seventy-two".