874368621 has 64 divisors (see below), whose sum is σ = 1567088640. Its totient is φ = 471018240.

The previous prime is 874368617. The next prime is 874368631. The reversal of 874368621 is 126863478.

It is not a de Polignac number, because 874368621 - 2² = 874368617 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874368601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307221 + ... + 310053.

It is an arithmetic number, because the mean of its divisors is an integer number (24485760).

Almost surely, 2^874368621 is an apocalyptic number.

It is an amenable number.

874368621 is a deficient number, since it is larger than the sum of its proper divisors (692720019).

874368621 is a wasteful number, since it uses less digits than its factorization.

874368621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2937 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 874368621 is about 29569.7247366288. The cubic root of 874368621 is about 956.2354818249.

The spelling of 874368621 in words is "eight hundred seventy-four million, three hundred sixty-eight thousand, six hundred twenty-one".