87473390 has 32 divisors (see below), whose sum is σ = 161078976. Its totient is φ = 34191360.

The previous prime is 87473389. The next prime is 87473401. The reversal of 87473390 is 9337478.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117359 + ... + 118101.

It is an arithmetic number, because the mean of its divisors is an integer number (5033718).

Almost surely, 2^87473390 is an apocalyptic number.

87473390 is a deficient number, since it is larger than the sum of its proper divisors (73605586).

87473390 is a wasteful number, since it uses less digits than its factorization.

87473390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 87473390 is about 9352.7209944486. The cubic root of 87473390 is about 443.9069922599.

The spelling of 87473390 in words is "eighty-seven million, four hundred seventy-three thousand, three hundred ninety".