874121672 has 12 divisors (see below), whose sum is σ = 1639134945. Its totient is φ = 437019024.

The previous prime is 874121669. The next prime is 874121713. The reversal of 874121672 is 276121478.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 555356356 + 318765316 = 23566^2 + 17854^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20906.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 78398 + ... + 88850.

Almost surely, 2^874121672 is an apocalyptic number.

It is an amenable number.

874121672 is a deficient number, since it is larger than the sum of its proper divisors (765013273).

874121672 is an frugal number, since it uses more digits than its factorization.

874121672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20912 (or 10455 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 874121672 is about 29565.5487349719. The cubic root of 874121672 is about 956.1454497626.

The spelling of 874121672 in words is "eight hundred seventy-four million, one hundred twenty-one thousand, six hundred seventy-two".