82146974 has 32 divisors (see below), whose sum is σ = 152591040. Its totient is φ = 32297472.

The previous prime is 82146971. The next prime is 82146991. The reversal of 82146974 is 47964128.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82146971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30182 + ... + 32790.

It is an arithmetic number, because the mean of its divisors is an integer number (4768470).

Almost surely, 2^82146974 is an apocalyptic number.

82146974 is a deficient number, since it is larger than the sum of its proper divisors (70444066).

82146974 is a wasteful number, since it uses less digits than its factorization.

82146974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804.

The product of its digits is 96768, while the sum is 41.

The square root of 82146974 is about 9063.4967865609. The cubic root of 82146974 is about 434.7075569958.

It can be divided in two parts, 821469 and 74, that multiplied together give a palindrome (60788706).

The spelling of 82146974 in words is "eighty-two million, one hundred forty-six thousand, nine hundred seventy-four".