674188992 has 168 divisors, whose sum is σ = 2113068672. Its totient is φ = 204595200.

The previous prime is 674188937. The next prime is 674188993. The reversal of 674188992 is 299881476.

674188992 is a `hidden beast` number, since 67 + 418 + 89 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (674188993) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 302442 + ... + 304662.

Almost surely, 2^674188992 is an apocalyptic number.

674188992 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674188992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056534336).

674188992 is an abundant number, since it is smaller than the sum of its proper divisors (1438879680).

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

674188992 is a wasteful number, since it uses less digits than its factorization.

674188992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 2274 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 674188992 is about 25965.1495662937. The cubic root of 674188992 is about 876.8538618856.

The spelling of 674188992 in words is "six hundred seventy-four million, one hundred eighty-eight thousand, nine hundred ninety-two".