86729472 has 54 divisors (see below), whose sum is σ = 250069092. Its totient is φ = 28909056.

The previous prime is 86729453. The next prime is 86729477. The reversal of 86729472 is 27492768.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86729477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16518 + ... + 21125.

Almost surely, 2^86729472 is an apocalyptic number.

It is an amenable number.

86729472 is an abundant number, since it is smaller than the sum of its proper divisors (163339620).

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

86729472 is a wasteful number, since it uses less digits than its factorization.

86729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37665 (or 37648 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 86729472 is about 9312.8659391188. The cubic root of 86729472 is about 442.6450046657.

The spelling of 86729472 in words is "eighty-six million, seven hundred twenty-nine thousand, four hundred seventy-two".