87746472 has 96 divisors (see below), whose sum is σ = 270578880. Its totient is φ = 25428480.

The previous prime is 87746471. The next prime is 87746507. The reversal of 87746472 is 27464778.

It is not an unprimeable number, because it can be changed into a prime (87746471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15808 + ... + 20624.

It is an arithmetic number, because the mean of its divisors is an integer number (2818530).

Almost surely, 2^87746472 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 87746472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135289440).

87746472 is an abundant number, since it is smaller than the sum of its proper divisors (182832408).

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

87746472 is a wasteful number, since it uses less digits than its factorization.

87746472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4856 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 87746472 is about 9367.3086849959. The cubic root of 87746472 is about 444.3684548046.

The spelling of 87746472 in words is "eighty-seven million, seven hundred forty-six thousand, four hundred seventy-two".