82054172 has 12 divisors (see below), whose sum is σ = 152041680. Its totient is φ = 38613696.

The previous prime is 82054171. The next prime is 82054187. The reversal of 82054172 is 27145028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82054171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603272 + ... + 603407.

It is an arithmetic number, because the mean of its divisors is an integer number (12670140).

Almost surely, 2^82054172 is an apocalyptic number.

It is an amenable number.

82054172 is a deficient number, since it is larger than the sum of its proper divisors (69987508).

82054172 is a wasteful number, since it uses less digits than its factorization.

82054172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206700 (or 1206698 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 82054172 is about 9058.3757926021. The cubic root of 82054172 is about 434.5437979441.

The spelling of 82054172 in words is "eighty-two million, fifty-four thousand, one hundred seventy-two".