49249874 has 4 divisors (see below), whose sum is σ = 73874814. Its totient is φ = 24624936.

The previous prime is 49249873. The next prime is 49249903. The reversal of 49249874 is 47894294.

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

It can be written as a sum of positive squares in only one way, i.e., 27112849 + 22137025 = 5207^2 + 4705^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49249873) 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 as a sum of consecutive naturals, namely, 12312467 + ... + 12312470.

Almost surely, 2^49249874 is an apocalyptic number.

49249874 is a deficient number, since it is larger than the sum of its proper divisors (24624940).

49249874 is a wasteful number, since it uses less digits than its factorization.

49249874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24624939.

The product of its digits is 580608, while the sum is 47.

The square root of 49249874 is about 7017.8254466751. The cubic root of 49249874 is about 366.5515339166.

It can be divided in two parts, 49 and 249874, that multiplied together give a triangular number (12243826 = T₄₉₄₈).

The spelling of 49249874 in words is "forty-nine million, two hundred forty-nine thousand, eight hundred seventy-four".