84107746 has 4 divisors (see below), whose sum is σ = 126161622. Its totient is φ = 42053872.

The previous prime is 84107731. The next prime is 84107747. The reversal of 84107746 is 64770148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 16687225 = 8211^2 + 4085^2 .

It is a super-2 number, since 2×84107746² = 14148225874401032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84107747) 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 as a sum of consecutive naturals, namely, 21026935 + ... + 21026938.

Almost surely, 2^84107746 is an apocalyptic number.

84107746 is a deficient number, since it is larger than the sum of its proper divisors (42053876).

84107746 is a wasteful number, since it uses less digits than its factorization.

84107746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42053875.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 84107746 is about 9171.0275323979. The cubic root of 84107746 is about 438.1390862333.

The spelling of 84107746 in words is "eighty-four million, one hundred seven thousand, seven hundred forty-six".