82947074 has 8 divisors (see below), whose sum is σ = 142195008. Its totient is φ = 35548740.

The previous prime is 82947071. The next prime is 82947079. The reversal of 82947074 is 47074928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×82947074² = 13760434170322952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82947071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962382 + ... + 2962409.

It is an arithmetic number, because the mean of its divisors is an integer number (17774376).

Almost surely, 2^82947074 is an apocalyptic number.

82947074 is a deficient number, since it is larger than the sum of its proper divisors (59247934).

82947074 is a wasteful number, since it uses less digits than its factorization.

82947074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924800.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 82947074 is about 9107.5284243312. The cubic root of 82947074 is about 436.1143297794.

The spelling of 82947074 in words is "eighty-two million, nine hundred forty-seven thousand, seventy-four".