49666574 has 4 divisors (see below), whose sum is σ = 74499864. Its totient is φ = 24833286.

The previous prime is 49666567. The next prime is 49666577. The reversal of 49666574 is 47566694.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49666577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12416642 + ... + 12416645.

It is an arithmetic number, because the mean of its divisors is an integer number (18624966).

Almost surely, 2^49666574 is an apocalyptic number.

49666574 is a deficient number, since it is larger than the sum of its proper divisors (24833290).

49666574 is a wasteful number, since it uses less digits than its factorization.

49666574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833289.

The product of its digits is 1088640, while the sum is 47.

The square root of 49666574 is about 7047.4515961445. The cubic root of 49666574 is about 367.5824215461.

The spelling of 49666574 in words is "forty-nine million, six hundred sixty-six thousand, five hundred seventy-four".