84729328 has 20 divisors (see below), whose sum is σ = 164588920. Its totient is φ = 42254784.

The previous prime is 84729311. The next prime is 84729331. The reversal of 84729328 is 82392748.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (8229446).

Almost surely, 2^84729328 is an apocalyptic number.

It is an amenable number.

84729328 is a deficient number, since it is larger than the sum of its proper divisors (79859592).

84729328 is a wasteful number, since it uses less digits than its factorization.

84729328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744 (or 13738 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 84729328 is about 9204.8535023649. The cubic root of 84729328 is about 439.2157655839.

The spelling of 84729328 in words is "eighty-four million, seven hundred twenty-nine thousand, three hundred twenty-eight".