673870953 has 16 divisors (see below), whose sum is σ = 1027584000. Its totient is φ = 384794256.

The previous prime is 673870949. The next prime is 673870969. The reversal of 673870953 is 359078376.

It is not a de Polignac number, because 673870953 - 2² = 673870949 is a prime.

It is a super-2 number, since 2×673870953² = 908204122594256418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673870933) 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 15 ways as a sum of consecutive naturals, for example, 20776 + ... + 42182.

It is an arithmetic number, because the mean of its divisors is an integer number (64224000).

Almost surely, 2^673870953 is an apocalyptic number.

It is an amenable number.

673870953 is a deficient number, since it is larger than the sum of its proper divisors (353713047).

673870953 is a wasteful number, since it uses less digits than its factorization.

673870953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22916.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 673870953 is about 25959.0245001618. The cubic root of 673870953 is about 876.7159591156.

The spelling of 673870953 in words is "six hundred seventy-three million, eight hundred seventy thousand, nine hundred fifty-three".