49782427 has 4 divisors (see below), whose sum is σ = 51127936. Its totient is φ = 48436920.

The previous prime is 49782401. The next prime is 49782461. The reversal of 49782427 is 72428794.

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

It is a cyclic number.

It is not a de Polignac number, because 49782427 - 2¹⁵ = 49749659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49782727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672699 + ... + 672772.

It is an arithmetic number, because the mean of its divisors is an integer number (12781984).

Almost surely, 2^49782427 is an apocalyptic number.

49782427 is a deficient number, since it is larger than the sum of its proper divisors (1345509).

49782427 is a wasteful number, since it uses less digits than its factorization.

49782427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345508.

The product of its digits is 225792, while the sum is 43.

The square root of 49782427 is about 7055.6663044676. Note that the first 3 decimals coincide. The cubic root of 49782427 is about 367.8680090403.

The spelling of 49782427 in words is "forty-nine million, seven hundred eighty-two thousand, four hundred twenty-seven".