84442737 has 8 divisors (see below), whose sum is σ = 112652704. Its totient is φ = 56263968.

The previous prime is 84442733. The next prime is 84442759. The reversal of 84442737 is 73724448.

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

It is not a de Polignac number, because 84442737 - 2² = 84442733 is a prime.

It is a super-3 number, since 3×84442737³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84442695 and 84442704.

It is not an unprimeable number, because it can be changed into a prime (84442733) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 508 + ... + 13005.

It is an arithmetic number, because the mean of its divisors is an integer number (14081588).

Almost surely, 2^84442737 is an apocalyptic number.

It is an amenable number.

84442737 is a deficient number, since it is larger than the sum of its proper divisors (28209967).

84442737 is a wasteful number, since it uses less digits than its factorization.

84442737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15599.

The product of its digits is 150528, while the sum is 39.

The square root of 84442737 is about 9189.2729309777. The cubic root of 84442737 is about 438.7200007086.

The spelling of 84442737 in words is "eighty-four million, four hundred forty-two thousand, seven hundred thirty-seven".