84007542 has 8 divisors (see below), whose sum is σ = 168015096. Its totient is φ = 28002512.

The previous prime is 84007507. The next prime is 84007559. The reversal of 84007542 is 24570048.

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

84007542 is an admirable number.

It is a super-2 number, since 2×84007542² = 14114534225763528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 7000623 + ... + 7000634.

It is an arithmetic number, because the mean of its divisors is an integer number (21001887).

Almost surely, 2^84007542 is an apocalyptic number.

84007542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84007542 is a wasteful number, since it uses less digits than its factorization.

84007542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14001262.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 84007542 is about 9165.5628305086. The cubic root of 84007542 is about 437.9650208717.

The spelling of 84007542 in words is "eighty-four million, seven thousand, five hundred forty-two".