987576730 has 32 divisors (see below), whose sum is σ = 2101645440. Its totient is φ = 326921280.

The previous prime is 987576713. The next prime is 987576749. The reversal of 987576730 is 37675789.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241216 + ... + 245275.

It is an arithmetic number, because the mean of its divisors is an integer number (65676420).

Almost surely, 2^987576730 is an apocalyptic number.

987576730 is an abundant number, since it is smaller than the sum of its proper divisors (1114068710).

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

987576730 is a wasteful number, since it uses less digits than its factorization.

987576730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486534.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 987576730 is about 31425.7335634349. The cubic root of 987576730 is about 995.8416420277.

The spelling of 987576730 in words is "nine hundred eighty-seven million, five hundred seventy-six thousand, seven hundred thirty".