84426743 has 8 divisors (see below), whose sum is σ = 92476080. Its totient is φ = 76720000.

The previous prime is 84426737. The next prime is 84426779. The reversal of 84426743 is 34762448.

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

It is a cyclic number.

It is not a de Polignac number, because 84426743 - 2²⁶ = 17317879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84426697 and 84426706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84426703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85133 + ... + 86118.

It is an arithmetic number, because the mean of its divisors is an integer number (11559510).

Almost surely, 2^84426743 is an apocalyptic number.

84426743 is a deficient number, since it is larger than the sum of its proper divisors (8049337).

84426743 is a wasteful number, since it uses less digits than its factorization.

84426743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171297.

The product of its digits is 129024, while the sum is 38.

The square root of 84426743 is about 9188.4026359319. The cubic root of 84426743 is about 438.6923001587.

The spelling of 84426743 in words is "eighty-four million, four hundred twenty-six thousand, seven hundred forty-three".