187490732004 has 27 divisors (see below), whose sum is σ = 473941473187. Its totient is φ = 62496044664.

The previous prime is 187490731991. The next prime is 187490732029. The reversal of 187490732004 is 400237094781.

The square root of 187490732004 is 433002.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2561929 + ... + 2634095.

Almost surely, 2^187490732004 is an apocalyptic number.

187490732004 is the 433002-nd square number.

It is an amenable number.

187490732004 is an abundant number, since it is smaller than the sum of its proper divisors (286450741183).

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

187490732004 is an frugal number, since it uses more digits than its factorization.

187490732004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144344 (or 72172 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 187490732004 in words is "one hundred eighty-seven billion, four hundred ninety million, seven hundred thirty-two thousand, four".