874772421 has 8 divisors (see below), whose sum is σ = 1171502304. Its totient is φ = 580612080.

The previous prime is 874772419. The next prime is 874772447. The reversal of 874772421 is 124277478.

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

It is not a de Polignac number, because 874772421 - 2¹ = 874772419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874772411) 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 7 ways as a sum of consecutive naturals, for example, 641590 + ... + 642951.

It is an arithmetic number, because the mean of its divisors is an integer number (146437788).

Almost surely, 2^874772421 is an apocalyptic number.

It is an amenable number.

874772421 is a deficient number, since it is larger than the sum of its proper divisors (296729883).

874772421 is a wasteful number, since it uses less digits than its factorization.

874772421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284771.

The product of its digits is 175616, while the sum is 42.

The square root of 874772421 is about 29576.5518781348. The cubic root of 874772421 is about 956.3826617264.

It can be divided in two parts, 87477 and 2421, that added together give a palindrome (89898).

The spelling of 874772421 in words is "eight hundred seventy-four million, seven hundred seventy-two thousand, four hundred twenty-one".