87494736 has 80 divisors (see below), whose sum is σ = 260796800. Its totient is φ = 24758784.

The previous prime is 87494731. The next prime is 87494747. The reversal of 87494736 is 63749478.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87494731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35430 + ... + 37818.

It is an arithmetic number, because the mean of its divisors is an integer number (3259960).

Almost surely, 2^87494736 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 87494736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130398400).

87494736 is an abundant number, since it is smaller than the sum of its proper divisors (173302064).

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

87494736 is a wasteful number, since it uses less digits than its factorization.

87494736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2510 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 87494736 is about 9353.8620900674. The cubic root of 87494736 is about 443.9430979753.

The spelling of 87494736 in words is "eighty-seven million, four hundred ninety-four thousand, seven hundred thirty-six".