99474543 has 12 divisors (see below), whose sum is σ = 164212048. Its totient is φ = 56842560.

The previous prime is 99474541. The next prime is 99474547. The reversal of 99474543 is 34547499.

It is a happy number.

It is not a de Polignac number, because 99474543 - 2¹ = 99474541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99474541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789418 + ... + 789543.

Almost surely, 2^99474543 is an apocalyptic number.

99474543 is a deficient number, since it is larger than the sum of its proper divisors (64737505).

99474543 is a wasteful number, since it uses less digits than its factorization.

99474543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578974 (or 1578971 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 99474543 is about 9973.6925458929. The cubic root of 99474543 is about 463.3444701128.

The spelling of 99474543 in words is "ninety-nine million, four hundred seventy-four thousand, five hundred forty-three".