86730605 has 16 divisors (see below), whose sum is σ = 112398384. Its totient is φ = 63866880.

The previous prime is 86730599. The next prime is 86730647. The reversal of 86730605 is 50603768.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 203401 + 86527204 = 451^2 + 9302^2 .

It is not a de Polignac number, because 86730605 - 2¹⁶ = 86665069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24125 + ... + 27485.

It is an arithmetic number, because the mean of its divisors is an integer number (7024899).

Almost surely, 2^86730605 is an apocalyptic number.

It is an amenable number.

86730605 is a deficient number, since it is larger than the sum of its proper divisors (25667779).

86730605 is a wasteful number, since it uses less digits than its factorization.

86730605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 86730605 is about 9312.9267687446. The cubic root of 86730605 is about 442.6469321712.

The spelling of 86730605 in words is "eighty-six million, seven hundred thirty thousand, six hundred five".