84607172 has 12 divisors (see below), whose sum is σ = 159452076. Its totient is φ = 39049440.

The previous prime is 84607141. The next prime is 84607301. The reversal of 84607172 is 27170648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51036736 + 33570436 = 7144^2 + 5794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813479 + ... + 813582.

It is an arithmetic number, because the mean of its divisors is an integer number (13287673).

Almost surely, 2^84607172 is an apocalyptic number.

It is an amenable number.

84607172 is a deficient number, since it is larger than the sum of its proper divisors (74844904).

84607172 is a wasteful number, since it uses less digits than its factorization.

84607172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627078 (or 1627076 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 84607172 is about 9198.2156965359. The cubic root of 84607172 is about 439.0045886234.

The spelling of 84607172 in words is "eighty-four million, six hundred seven thousand, one hundred seventy-two".