874721453 has 8 divisors (see below), whose sum is σ = 884105376. Its totient is φ = 865378800.

The previous prime is 874721447. The next prime is 874721467. The reversal of 874721453 is 354127478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 874721453 - 2¹² = 874717357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874721453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874721473) 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 7 ways as a sum of consecutive naturals, for example, 33275 + ... + 53447.

It is an arithmetic number, because the mean of its divisors is an integer number (110513172).

Almost surely, 2^874721453 is an apocalyptic number.

It is an amenable number.

874721453 is a deficient number, since it is larger than the sum of its proper divisors (9383923).

874721453 is a wasteful number, since it uses less digits than its factorization.

874721453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635.

The product of its digits is 188160, while the sum is 41.

The square root of 874721453 is about 29575.6902370849. The cubic root of 874721453 is about 956.3640870446.

The spelling of 874721453 in words is "eight hundred seventy-four million, seven hundred twenty-one thousand, four hundred fifty-three".