147989673 has 48 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 89766144.

The previous prime is 147989669. The next prime is 147989683. The reversal of 147989673 is 376989741.

It is a happy number.

It is not a de Polignac number, because 147989673 - 2² = 147989669 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147989683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249265 + ... + 249857.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^147989673 is an apocalyptic number.

147989673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

147989673 is a deficient number, since it is larger than the sum of its proper divisors (94172247).

147989673 is an equidigital number, since it uses as much as digits as its factorization.

147989673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 688 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 147989673 is about 12165.1006161067. The cubic root of 147989673 is about 528.9449439619.

The spelling of 147989673 in words is "one hundred forty-seven million, nine hundred eighty-nine thousand, six hundred seventy-three".