673508121 has 32 divisors (see below), whose sum is σ = 1056706560. Its totient is φ = 376180800.

The previous prime is 673508119. The next prime is 673508141. The reversal of 673508121 is 121805376.

It is not a de Polignac number, because 673508121 - 2¹ = 673508119 is a prime.

It is a super-2 number, since 2×673508121² = 907226378105901282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (673508141) 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 31 ways as a sum of consecutive naturals, for example, 467320 + ... + 468758.

It is an arithmetic number, because the mean of its divisors is an integer number (33022080).

Almost surely, 2^673508121 is an apocalyptic number.

It is an amenable number.

673508121 is a deficient number, since it is larger than the sum of its proper divisors (383198439).

673508121 is a wasteful number, since it uses less digits than its factorization.

673508121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 673508121 is about 25952.0350069123. The cubic root of 673508121 is about 876.5585809548.

The spelling of 673508121 in words is "six hundred seventy-three million, five hundred eight thousand, one hundred twenty-one".