671542924 has 24 divisors (see below), whose sum is σ = 1266306608. Its totient is φ = 309769920.

The previous prime is 671542889. The next prime is 671542939. The reversal of 671542924 is 429245176.

It is a super-3 number, since 3×671542924³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 171274 + ... + 175150.

Almost surely, 2^671542924 is an apocalyptic number.

It is an amenable number.

671542924 is a deficient number, since it is larger than the sum of its proper divisors (594763684).

671542924 is a wasteful number, since it uses less digits than its factorization.

671542924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225 (or 7223 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 671542924 is about 25914.1452492649. The cubic root of 671542924 is about 875.7051943355.

The spelling of 671542924 in words is "six hundred seventy-one million, five hundred forty-two thousand, nine hundred twenty-four".