84744101 has 4 divisors (see below), whose sum is σ = 91262892. Its totient is φ = 78225312.

The previous prime is 84744073. The next prime is 84744103. The reversal of 84744101 is 10144748.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10336225 + 74407876 = 3215^2 + 8626^2 .

It is a cyclic number.

It is not a de Polignac number, because 84744101 - 2¹⁰ = 84743077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84744103) 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 3 ways as a sum of consecutive naturals, for example, 3259376 + ... + 3259401.

It is an arithmetic number, because the mean of its divisors is an integer number (22815723).

Almost surely, 2^84744101 is an apocalyptic number.

It is an amenable number.

84744101 is a deficient number, since it is larger than the sum of its proper divisors (6518791).

84744101 is a wasteful number, since it uses less digits than its factorization.

84744101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518790.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 84744101 is about 9205.6559244847. The cubic root of 84744101 is about 439.2412906199.

Adding to 84744101 its reverse (10144748), we get a palindrome (94888849).

The spelling of 84744101 in words is "eighty-four million, seven hundred forty-four thousand, one hundred one".