84771742 has 8 divisors (see below), whose sum is σ = 138717432. Its totient is φ = 38532600.

The previous prime is 84771737. The next prime is 84771769. The reversal of 84771742 is 24717748.

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

It is a junction number, because it is equal to n+sod(n) for n = 84771695 and 84771704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926609 + ... + 1926652.

It is an arithmetic number, because the mean of its divisors is an integer number (17339679).

Almost surely, 2^84771742 is an apocalyptic number.

84771742 is a deficient number, since it is larger than the sum of its proper divisors (53945690).

84771742 is a wasteful number, since it uses less digits than its factorization.

84771742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853274.

The product of its digits is 87808, while the sum is 40.

The square root of 84771742 is about 9207.1571073812. The cubic root of 84771742 is about 439.2890412346.

The spelling of 84771742 in words is "eighty-four million, seven hundred seventy-one thousand, seven hundred forty-two".