874640254 has 4 divisors (see below), whose sum is σ = 1311960384. Its totient is φ = 437320126.

The previous prime is 874640213. The next prime is 874640279. The reversal of 874640254 is 452046478.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 218660062 + ... + 218660065.

It is an arithmetic number, because the mean of its divisors is an integer number (327990096).

Almost surely, 2^874640254 is an apocalyptic number.

874640254 is a deficient number, since it is larger than the sum of its proper divisors (437320130).

874640254 is a wasteful number, since it uses less digits than its factorization.

874640254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437320129.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 874640254 is about 29574.3174731049. The cubic root of 874640254 is about 956.3344935436.

The spelling of 874640254 in words is "eight hundred seventy-four million, six hundred forty thousand, two hundred fifty-four".