86673720 has 64 divisors (see below), whose sum is σ = 297169920. Its totient is φ = 19810944.

The previous prime is 86673707. The next prime is 86673731. The reversal of 86673720 is 2737668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50752 + ... + 52431.

It is an arithmetic number, because the mean of its divisors is an integer number (4643280).

Almost surely, 2^86673720 is an apocalyptic number.

It is an amenable number.

86673720 is an abundant number, since it is smaller than the sum of its proper divisors (210496200).

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

86673720 is a wasteful number, since it uses less digits than its factorization.

86673720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103204 (or 103200 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 86673720 is about 9309.8721795737. The cubic root of 86673720 is about 442.5501363601.

The spelling of 86673720 in words is "eighty-six million, six hundred seventy-three thousand, seven hundred twenty".