87473232 has 300 divisors, whose sum is σ = 325095264. Its totient is φ = 21732480.

The previous prime is 87473219. The next prime is 87473273. The reversal of 87473232 is 23237478.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3803173 + ... + 3803195.

Almost surely, 2^87473232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87473232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162547632).

87473232 is an abundant number, since it is smaller than the sum of its proper divisors (237622032).

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

87473232 is a wasteful number, since it uses less digits than its factorization.

87473232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 46 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 87473232 is about 9352.7125477051. The cubic root of 87473232 is about 443.9067249887.

The spelling of 87473232 in words is "eighty-seven million, four hundred seventy-three thousand, two hundred thirty-two".