86547072 has 32 divisors (see below), whose sum is σ = 229891680. Its totient is φ = 28848896.

The previous prime is 86547067. The next prime is 86547073. The reversal of 86547072 is 27074568.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 86547072.

It is not an unprimeable number, because it can be changed into a prime (86547073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112308 + ... + 113075.

It is an arithmetic number, because the mean of its divisors is an integer number (7184115).

Almost surely, 2^86547072 is an apocalyptic number.

It is an amenable number.

86547072 is an abundant number, since it is smaller than the sum of its proper divisors (143344608).

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

86547072 is a wasteful number, since it uses less digits than its factorization.

86547072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225400 (or 225388 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 86547072 is about 9303.0678810810. The cubic root of 86547072 is about 442.3344792533.

The spelling of 86547072 in words is "eighty-six million, five hundred forty-seven thousand, seventy-two".