84737568 has 48 divisors (see below), whose sum is σ = 234148320. Its totient is φ = 26758656.

The previous prime is 84737567. The next prime is 84737573. The reversal of 84737568 is 86573748.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (84737561) 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, 21405 + ... + 25052.

It is an arithmetic number, because the mean of its divisors is an integer number (4878090).

Almost surely, 2^84737568 is an apocalyptic number.

It is an amenable number.

84737568 is an abundant number, since it is smaller than the sum of its proper divisors (149410752).

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

84737568 is a wasteful number, since it uses less digits than its factorization.

84737568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46489 (or 46481 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 84737568 is about 9205.3010814421. The cubic root of 84737568 is about 439.2300031593.

The spelling of 84737568 in words is "eighty-four million, seven hundred thirty-seven thousand, five hundred sixty-eight".