84424743 has 48 divisors (see below), whose sum is σ = 138640320. Its totient is φ = 49116672.

The previous prime is 84424667. The next prime is 84424783. The reversal of 84424743 is 34742448.

It is a happy number.

It is not a de Polignac number, because 84424743 - 2⁹ = 84424231 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 84424698 and 84424707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84424783) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368553 + ... + 368781.

It is an arithmetic number, because the mean of its divisors is an integer number (2888340).

Almost surely, 2^84424743 is an apocalyptic number.

84424743 is a deficient number, since it is larger than the sum of its proper divisors (54215577).

84424743 is a wasteful number, since it uses less digits than its factorization.

84424743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 84424743 is about 9188.2938024423. The cubic root of 84424743 is about 438.6888360449.

The spelling of 84424743 in words is "eighty-four million, four hundred twenty-four thousand, seven hundred forty-three".