86706372 has 12 divisors (see below), whose sum is σ = 202314896. Its totient is φ = 28902120.

The previous prime is 86706353. The next prime is 86706377. The reversal of 86706372 is 27360768.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 86706372.

It is not an unprimeable number, because it can be changed into a prime (86706377) 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, 3612754 + ... + 3612777.

Almost surely, 2^86706372 is an apocalyptic number.

It is an amenable number.

86706372 is an abundant number, since it is smaller than the sum of its proper divisors (115608524).

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

86706372 is a wasteful number, since it uses less digits than its factorization.

86706372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225538 (or 7225536 counting only the distinct ones).

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

The square root of 86706372 is about 9311.6256368048. The cubic root of 86706372 is about 442.6057023489.

It can be divided in two parts, 86706 and 372, that added together give a palindrome (87078).

The spelling of 86706372 in words is "eighty-six million, seven hundred six thousand, three hundred seventy-two".