83656742 has 16 divisors (see below), whose sum is σ = 137355792. Its totient is φ = 37977120.

The previous prime is 83656717. The next prime is 83656751. The reversal of 83656742 is 24765638.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83656742.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24788 + ... + 27959.

It is an arithmetic number, because the mean of its divisors is an integer number (8584737).

Almost surely, 2^83656742 is an apocalyptic number.

83656742 is a deficient number, since it is larger than the sum of its proper divisors (53699050).

83656742 is a wasteful number, since it uses less digits than its factorization.

83656742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52823.

The product of its digits is 241920, while the sum is 41.

The square root of 83656742 is about 9146.4059608132. The cubic root of 83656742 is about 437.3545499624.

The spelling of 83656742 in words is "eighty-three million, six hundred fifty-six thousand, seven hundred forty-two".