86973472 has 12 divisors (see below), whose sum is σ = 171229086. Its totient is φ = 43486720.

The previous prime is 86973463. The next prime is 86973473. The reversal of 86973472 is 27437968.

It can be written as a sum of positive squares in only one way, i.e., 86044176 + 929296 = 9276^2 + 964^2 .

It is not an unprimeable number, because it can be changed into a prime (86973473) by changing a digit.

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 as a sum of consecutive naturals, namely, 1358929 + ... + 1358992.

Almost surely, 2^86973472 is an apocalyptic number.

It is an amenable number.

86973472 is a deficient number, since it is larger than the sum of its proper divisors (84255614).

86973472 is a wasteful number, since it uses less digits than its factorization.

86973472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717931 (or 2717923 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 86973472 is about 9325.9568946034. The cubic root of 86973472 is about 443.0597204909.

The spelling of 86973472 in words is "eighty-six million, nine hundred seventy-three thousand, four hundred seventy-two".